Careers at S3

one team wins

At S3 AeroDefense, a fulfilling career means being part of something bigger: contributing to the success of global military operators while growing both professionally and personally.

Whether your background is in sales, operations, logistics, communications, or engineering, a career at S3 offers the opportunity to make an impact. We foster a culture where hard work is recognized, initiative is encouraged, and people are empowered to lead in their roles.

With access to ongoing professional development, cross-functional learning, and opportunities for advancement, our employees find meaningful ways to contribute to S3’s mission of supporting aircraft readiness, and driving customer satisfaction around the globe.

Exhibiting at industry shows

Our global sales team attends or exhibits at dozens of industry shows every year!

At S3 aerodefense
your work matters
and so do you.

joy h.

Winning Together

Honeywell 2024 Defense & Space Channel Partner of the Year

the s3 team

strength in our differences

S3 AeroDefense is powered by a team of exceptional individuals who represent the best in military aviation. Our staff is comprised of global citizens, many of whom are multilingual and multicultural, bringing a rich diversity of perspectives and experience to work every single day. Collectively, our team speaks more than 15 (yes, 15!) languages, reflecting the global reach of our business and the inclusive nature of our workplace.

We believe that diversity drives innovation, and that includes a strong commitment to gender equality. We’re proud to have women serving in senior leadership roles, at the director level and above, including on our board of directors. Many of our employees are also military veterans or join us through programs like SkillBridge, bringing real-world operator experience and mission-oriented discipline to our team.

Everyone here takes pride
in their work, and you feel empowered
to make real decisions that drive impact

zarina k.

the s3 team

supporting employees from day one

Our comprehensive benefits package is designed to support your health, well-being, and financial security, ensuring you can thrive both personally and professionally.

  • Medical, dental, and vision insurance

  • Mental health support / Employee Assistance Programs (EAP)

  • Health Savings Account (HSA) or Flexible Spending Account (FSA)

  • Wellness stipends or reimbursements

  • Flexible hours / core working hours

  • Summer Fridays

  • Paid Time Off

  • Paid holidays

  • Paid parental leave (maternity/paternity/adoption)

  • Professional development stipends

  • Access to courses, certifications, and training

  • Mentorship or coaching programs

  • Company events and offsites

  • Employee recognition programs

Fun committee

Fostering a great work culture one chili cook-off at a time.

sales week

An annual event focused on goal-setting and team building

collaboration

We believe collaboration is the key to delivering smarter solutions and lasting partnerships.

giving back

We take every opportunity to give back to the city that gave us everything: Milwaukee!

join our team

Grow with a team that’s redefining support for military aviation worldwide. Browse our open positions and submit your resume.

Job ID: S3-JD-63

Purpose of the Job:
Develops new business and grows and maintains existing business at acceptable margins. Ensures S3 AeroDefense, LLC is professionally and responsibly represented in the industry and that our organization meets the expected level of service, responsiveness, and quality objectives of the customer.

Reports to: Inside Sales Manager

Duties and Responsibilities:

  • Executes sales strategy, sets sales objectives and annual forecast, and strives to meet them
  • Develops new business opportunities to provide a foundation for continuous upward sales trends while meeting all profitability objectives
  • Follows up on new contacts to determine whether a field sales call is necessary
  • Develops marketing and business strategies, innovative processes, and programs to meet objectives which are consistent with a “customer-focused” high-performance sales organization
  • Establishes professional and responsive relationships with customers to ensure total customer satisfaction and continued business
  • Makes ethical and responsible pricing decisions
  • Follows up with customers to ensure S3 AeroDefense is meeting or exceeding the service level
  • Prepare and manage daily customer quotations and orders
  • Ensure on-time order delivery
  • Participate in tradeshows as needed to represent and promote the company
  • Acts as a liaison between the customer and internal S3 team members to ensure all customer expectations are communicated, understood and met throughout the organization
  • Is a responsible and cooperative team leader with other departments to address and resolve customer problems. Understands and works within S3’s policies and procedures.
  • Adds a high level of technical product service and value to meet the goals of the assigned territories as well as the goals of the organization.
  • Maintains up-to-date knowledge of the industry
  • Other duties as required in support of the company and/or sales division

Requirements:

EDUCATION and/or EXPERIENCE

  • Minimum of three years’ experience in the Sales Knowledge and experience in the Aerospace business preferred.
  • Bachelor’s degree required

LANGUAGE SKILLS

  • Ability to read, write, speak, and understand English. Other foreign language skills a plus.

JOB SKILLS

  • Extensive knowledge of the aerospace business is preferred but not required
  • Strong problem-solving skills to help resolve customer complaints or needs
  • Excellent verbal and written communication skills.
  • Strong customer service and interpersonal skills for dealing with different types of customers and clients
  • Time management and multitasking skills to handle multiple tasks and customers
  • Strong organizational skills and attention to detail
  • Positive attitude
  • Ability to write reports, proposals, business correspondence, and procedure manuals
  • High energy and sense of urgency to meet internal and external customer expectations
  • Highly motivated; possess the desire to set and meet high performance standards based on excellence for the benefit of the customer, the individual, team members, and internal customers.
  • Proficient in Windows environment, including Microsoft Word and Excel

Training:

  • Pentagon Basics
  • Export & ITAR compliance
  • Aerospace Industry Quality Training (Which includes QMS training, FAA 00 56, Traceability, 8130-3 documents, PAH’s, ESD, Suspected unapproved Parts, Shelf Life/LLP’s, AD’s, ATA Spec 300, PMA Parts, Direct Ship Authority, Repair Stations and Standard Terminology.
  • 90 Day Probation OJT (Includes, Return Material Authorization (RMA), Adding Vendors, Purchase Order Creation, Approved Suppliers Electronic Document Management, Sourcing, RFQ, Research, Entering Vendor Quotes, Repair Order Change, Work Order Creation, Repair Purchase Order Entry, Teardown Report for Customers, Reading Manuals and Tech Data, Kit BOM

Job ID: S3-JD-45

Purpose of the Job:

Manage post award life cycle to ensure customer satisfaction and on-time delivery while catering to the customer.

Reports to: Senior Customer Operations Manager, Spares

Duties and Responsibilities within Region:

  • Meeting and or exceeding company and individual goals and KPI’s
  • Manage the post award life cycle of the purchase order/contract. Including but not limited to:
  • Order Entry (knowledge of purchase order contracts and adhering to customer requirements)
  • Order Acknowledgement
  • Manage SO Due on & Ship on dates.
  • Driving resolution for any customer holds, issues and escalations.
  • Participate in ongoing cross-functional, product, industry, and customer training.
  • Independently driving and owning post order management.
  • Develop an understanding of the customers in the regions(s) and their product demands.
  • Participate in ongoing process improvement, product, industry, customer knowledge training.
  • Use critical thinking and advanced problem-solving capabilities to coordinate resolution of customer issues regarding product, pricing, lead-times, or quality.
  • Works independently and cross functionally with internal/external departments, including Sales, Supply Chain, Accounting, Trade Compliance, Quality and Warehouse.
  • Be proficient in regional specific requirements (i.e.-contract review, USG FAR/DFARS, flow downs, penalties, source inspections, customer portals, etc.)
  • Prepare and maintain status reports for customers and management as needed.
  • Communicate with customers by phone, MS Teams and e-mail daily.
  • Back up for Data Entry as needed for SQ entry.
  • Attending daily/weekly/monthly meetings as scheduled.

Requirements:

  • Positive attitude and attention to detail
  • Excellent Communication Skills, both verbal and written
  • Highly motivated, energetic, and success oriented
  • Courteous, tactful, and possess excellent interpersonal and relationship building skills
  • Must be highly organized and detail-oriented with the ability to work well under pressure
  • Customer account management experience preferred
  • Proficient in Windows environment, including Microsoft Word, Excel
  • Bachelor’s degree and/or 5-7 years related experience
  • Foreign language skills preferred
  • Minimal travel may be needed

Training:

  • Pentagon Basics
  • Export & ITAR compliance
  • Aerospace Industry Quality Training (Which includes QMS training, FAA 00 56, Traceability, 8130- 3 documents, PAH’s, ESD, Suspected Unapproved Parts, Shelf Life/LLP’s, AD’s, ATA Spec 300, PMA Parts, Direct Ship Authority, Repair Stations, and Standard Terminology
  • 90 Day Probation OJT

Job ID: S3RS-JD-02

Purpose of the Job:

The Director of Operations is responsible for and directs (directly or delegates) all aspects and departments of the Repair Station including Production, Sales, Business Development, Customer Service, Engineering, Shipping and Receiving, and indirectly Material Planning. Due to the scope of responsibility, this position can be delegated as the Accountable Manager.

Reports to:Vice President of MRO

Duties and Responsibilities within Region:

  • Ensure that the manpower resources for all required tasks are available in terms of number of personnel, staff training and staff qualifications
  • Ensure that the equipment, tooling, and materials are available for all required work.
  • Hiring of personnel/staffing
  • Assure accomplishment of annual employee feedback and performance reviews
  • Establish reports, and accountable for all Key Performance Indicators and metrics
  • Establish and maintain the annual budget and adjust as required
  • Company production and forecasting of the in-house work
  • Communicate and enforce company policy
  • Communicate regularly with executive management and staff
  • Ensure that the Repair Station complies with all applicable aspects of FAA FAR 145, EASA 145 and other certifications to ensure continued certification
  • Assure the Repair Station complies with all Customer/OEM contractual obligations as required per the specific contracts
  • Assure the RSM/QCM, Training Manual and EASA Supplement are kept current and approves Capability List changes
  • Primary Liaison between the Repair Station and the FAA
  • Administration of the FAA Drug and Alcohol Testing program

Requirements:

  • Possess either an FAA Airframe, or Airframe/Powerplant, or be eligible for a Repairman certificate upon taking the position is desirable
  • 5-10 Years of relevant Management Experience in Aviation Maintenance or Repair Station operations
  • Excellent leadership, management, and communication skills
  • Experience with budgeting, forecasting, and production control
  • 4 Year related degree desired

Training:

  • Pentagon Basics
  • Export & ITAR compliance
  • Aerospace Industry Quality Training, FAA 145, Traceability, 8130- 3 documents, ESD, Suspected Unapproved Parts, Shelf Life/LLP’s, AD’s, ATA Spec 300, PMA Parts, Direct Ship Authority, Repair Stations, and Standard Terminology
  • Other Trainings as assigned
  • 90 Day Probation OJT

Job ID: S3RS-JD-32

Purpose of the Job:

Strengthen and grow existing customer relationships. Strive to increase margins and regularly communicate with the customer for performance feedback and to keep the customer satisfied. Manage assigned customers and ensure that S3 AeroDefense, LLC is professionally and responsibly represented in the industry and that our organization meets the expected level of service, responsiveness, and quality objectives of the customer.

Reports to: Director of Sales Operations, MRO

Duties and Responsibilities:

  • Establish professional and responsive relationships with customers to ensure customer satisfaction and continued business
  • Communicate daily with customers by phone, fax, and email
  • Manage daily customer quotations and orders
  • Prioritize customer requirements and collaborate with Customer Service Representative to enter requirements into the system in a timely manner
  • Make responsible pricing decisions based on Company objectives and sound business practices
  • Regularly follows up with customer regarding pre-award quotations and WO quotations to ensure that S3 AeroDefense, LLC is meeting or exceeding the expected service level
  • Work with Operations to properly prioritize and plan the completion of Customer order to ensure on-time delivery
  • Function as a liaison between the customer and internal S3 AeroDefense, LLC team members to ensure all customer expectations are clearly communicated and met throughout the organization to ensure customer satisfaction
  • Execute sales strategy as assigned by the Company, set regional sales objectives, and strive to achieve them
  • Follow up on new customer contacts to determine whether a sales call is necessary
  • Participate in tradeshows as needed to represent and promote the company
  • Responsible and cooperative team leader with other departments to address and resolve customer Understand and work within S3 AeroDefense, LLC policies and procedures
  • Add a high level of technical product service and value to meet the goals of the assigned territories as well as the goals of the organization
  • Other duties as required in support of the company and/or sales division

Requirements:

  • Bachelor’s degree preferred
  • A minimum of three years’ experience in sales, with knowledge and experience in the aerospace industry is preferred
  • Ability to read, write, speak, and understand English
  • Excellent verbal and written communication skills
  • Other foreign language skills desired
  • Extensive knowledge of the aerospace business is preferred but not required
  • Strong problem-solving skills to help resolve customer complaints or needs
  • Strong customer service and interpersonal skills for dealing with diverse types of customers and clients
  • Time management and multitasking skills to manage multiple tasks and customers
  • Strong organizational skills and attention to detail
  • Ability to author reports, proposals, business correspondence, and procedure manuals
  • Highly motivated; possess the desire to set and meet high performance standards based on excellence for the benefit of the customer, the individual, team members and customers
  • Proficient in Microsoft suite of products, including Word, and Excel

Training:

  • Pentagon Basics
  • Export & ITAR compliance
  • Aerospace Industry Quality Training, FAA 145, Traceability, 8130- 3 documents, ESD, Suspected Unapproved Parts, Shelf Life/LLP’s, AD’s, ATA Spec 300, PMA Parts, Direct Ship Authority, Repair Stations, and Standard Terminology
  • Other Trainings as assigned
  • 90 Day Probation OJT

Job ID: S3RS-JD-33

Purpose of the Job:

Provide support to the Account Manager by managing select customers through quoting, communications, planning, and other customer support functions. Maintain assigned customer accounts under the supervision of the Account Manager.

Reports to: Senior MRO Account Manager

Duties and Responsibilities:

  • Communicate daily with customers by phone, fax, and email
  • Prioritize customer     requirements    and    collaborate     with    Customer    Service Representative to enter requirements in the ERP, in a timely manner
  • Manage customer repair quotations and repair order requirements by coordinating and collaborating with team members to ensure the customer is quoted on time, and timely delivery of repair orders
  • Communicate regularly with customers on repair orders to ensure S3 AeroDefense, LLC is meeting customer expectations and advising customers of potential delays or problems that will impact the delivery
  • Develop an understanding of customer’s MRO demands and competition
  • Maintain customer relationships to maintain and develop additional business
  • Complete tasks given by Senior Account Manager
  • Other duties as required in support of the company and/or sales department

Requirements:

  • Associate’s degree required
  • Sales experience preferred
  • Ability to read, write, speak, and understand English
  • Other foreign language skills desired
  • Positive attitude and attention to detail
  • Excellent communication skills, both verbal and written
  • Highly motivated, energetic, and success oriented
  • Courteous, tactful, and possess excellent interpersonal and relationship building skills
  • Must be highly organized and detail-oriented with the ability to work well under pressure
  • Sales or account management experience required
  • Proficient in Microsoft suite of products, including Word and Excel

Training:

  • Pentagon Basics
  • Export & ITAR compliance
  • Aerospace Industry Quality Training, FAA 145, Traceability, 8130- 3 documents, ESD, Suspected Unapproved Parts, Shelf Life/LLP’s, AD’s, ATA Spec 300, PMA Parts, Direct Ship Authority, Repair Stations, and Standard Terminology
  • Other Trainings as assigned
  • 90 Day Probation OJT

Job ID: S3RS-JD-10

Purpose of the Job:
Provide day-to-day customer service and support as directed by management.

Reports to: Director of Sales Operations, MRO

Duties and Responsibilities:

  • Communicate with customers by phone, fax, and email on a regular basis
  • Enter customer RFQs (Sales Quotes)
  • Obtain all end-use and end-user information from customers for export license requirements
  • Enter customer orders and attach customer’s original documents
  • Coordinate customer order flow down requirements with internal departments, including Operations, Accounting, Quality, Compliance and Shipping/Receiving
  • Manage open Customer Work Orders and Sales Orders, updating ship dates and due dates as required
  • Coordinate with Sales Directors, Account Managers, and Account Representatives to update customers with their open order reports
  • Use critical thinking and advanced problem-solving skills and coordinate with Sales Directors, Account Managers and Account Representatives to effectively communicate to Customers: (a) on Company late deliveries, (b) the reasons for the delays, (c) and action plans to resolve or expedite the late deliveries
  • Prepare outbound shipments to customers and consolidate shipments as allowed per the contracts or Customer authorization
  • Complete relevant customer service tasks assigned by the supervisor

Requirements:

  • Excellent Communication Skills, both verbal and written
  • Excellent interpersonal and relationship-building skills
  • Must be highly organized and detail-oriented with the ability to work well under pressure
  • Proficient in the Microsoft suite of products, including Microsoft Word and Excel
  • Bachelor’s degree and/or 1-3 years related experience preferred

Training:

  • Pentagon Basics
  • Export & ITAR compliance
  • Aerospace Industry Quality Training, FAA 145, Traceability, 8130- 3 documents, ESD, Suspected Unapproved Parts, Shelf Life/LLP’s, AD’s, ATA Spec 300, PMA Parts, Direct Ship Authority, Repair Stations, and Standard Terminology
  • Other Trainings as assigned
  • 90-Day Probation OJT

Job ID: S3-JD-28

Purpose of the Job:
Develop and manage sales by servicing existing customers and targeting new prospects.

Reports to: VP of Sales

Duties and Responsibilities:

  • Develop and execute sales and marketing strategies and business plans for the aftermarket business to achieve sales goals and expand market presence
  • Create and provide the necessary marketing material to sell and market services and capabilities
  • Participate in tradeshows as needed to represent and promote company
  • Meet company business/sales goals for assigned territories
  • Develop an understanding of customers’ product demands and trends
  • Communicate with customers by phone, fax, and email
  • Manage daily customer quotations
  • Prepare and maintain reports for customers and management as needed
  • Manage the responsibilities of Customer Services

Requirements:

  • Extensive knowledge of the aerospace business and the customer base
  • Ability to develop customer loyalty and business growth for the Aftermarket business
  • Cultivating relationships, identifying opportunities, and account management skills critical
  • Understanding of the global aerospace market and the aerospace aftermarket trends, issues, events and requirements
  • Ability to write reports, business correspondence, and procedure manuals
  • Excellent communication skills, both verbal and written
  • Highly motivated, energetic, and success-oriented
  • Courteous, tactful, and possesses excellent interpersonal and relationship-building skills
  • Must be highly organized and detail-oriented with the ability to work well under pressure
  • Sales or account management experience required
  • Proficient in Windows environment, including Microsoft Word, Excel
  • Bachelor’s degree and/or 5-7 years related experience
  • Foreign language skills required

Training:

  • Pentagon Basics
  • Export & ITAR compliance
  • Aerospace Industry Quality Training (Which includes QMS training, FAA 00 56, Traceability, 8130-3 documents, PAH’s, ESD, Suspected unapproved Parts, Shelf Life/LLP’s, AD’s, ATA Spec 300, PMA Parts, Direct Ship Authority, Repair Stations and Standard Terminology.
  • 90 Day Probation OJT (Includes, Return Material Authorization (RMA), Adding Vendors, Purchase Order Creation, Approved Suppliers Electronic Document Management, Sourcing, RFQ, Research, Entering Vendor Quotes, Repair Order Change, Work Order Creation, Repair purchase order Entry, Teardown Report for Customers, Reading Manuals and Tech data, Kit BOM Building.

Job ID: S3-JD-71

Reports to: Sr. Supply Chain Manager or Director of Supply Chain

Duties and Responsibilities:

  • Assist Trade Compliance Specialist with obtaining tariff (HTS/Schedule B), export control classifications (ECCN/USML), and Country of Origin information from vendors
  • Assist with collecting and preparing information for the submission of export license applications.
  • Perform Restricted Parties Screening.
  • Assist the Trade Compliance Department in preparing training and supporting other Trade Compliance initiatives.
  • Assist Trade Compliance Specialist with preparing metrics on Trade Compliance daily operations and projects to be reported to Trade Compliance Manager monthly.
  • Develop, document and maintain appropriate processes for Trade Compliance Library.
  • Assist in running daily operations in support of Trade Compliance Program and associated Trade Compliance tasks and requirements.
  • Participate in varied projects covering all aspects of international trade including but not limited to logistics, regulatory, and treasury matters.

Requirements:

  • Proficiency in Microsoft Word, Excel, and PowerPoint

Training:

  • Electronic document management
  • Pentagon Basics
  • ITAR, EAR, OFAC (includes DDTC, BIS and OFAC licensing)

Job ID: S3-JD-72

Reports to: Warehouse Supervisor

Duties and Responsibilities:

  • Perform daily warehouse activities using a computerized inventory control system
  • Checking, staging, assembling, packaging, labeling, palletizing and preparing customer orders for shipment
  • Performing quality inspection upon receipt of material
  • Checking condition of items, comparing count/measure of items to packing list, noting discrepancies
  • Material handling duties as directed
  • Cycle counting and matching the physical inventory with the inventory data in the system
  • Maintaining facility cleanliness

Requirements:

  • Basic computer knowledge
  • Positive attitude and attention to detail
  • Ability to lift up to 75 pounds
  • Must be highly organized and detail-oriented with the ability to work well under pressure

Training:

  • Pentagon Basics
  • Export & ITAR compliance
  • MIL-STD-2073 & MIL-STD-129
  • Aerospace Industry Quality Training (Which includes QMS training, FAA 00 56, Traceability, 8130-3 documents, PAH’s, ESD, Suspected unapproved Parts, Shelf Life/LLP’s, AD’s, ATA Spec 300, PMA Parts, Direct Ship Authority, Repair Stations and Standard Terminology.
  • 90 Day Probation OJT (Includes: Return Material Authorization (RMA), Warehouse Transfers, Parts and Warehousing)
  • Forklift certification
  • Hazmat Training (Inspection Only approval on Inspection Roster)

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