[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All General Dynamics jobs](https://jobs.opennash.com/companies/general-dynamics/) · [Search jobs](/search/) General Dynamics · Annapolis Junction, MD # Principal Field Support Representative (TS/SCI Clearance Required) | General Dynamics Annapolis Junction, MD, US Full-time Senior individual contributor $59.08 /Hr IT & Infrastructure Listed on General Dynamics’s official careers site. Posted October 4, 2026. Check that it is still open and apply there. [Apply on General Dynamics’s careers site →](https://www.gd.com/careers/principal-field-support-representative-ts-sci-clearance-required-annapolis-junction-md-us-2026-75242-gdms-opportunity) [OpenNash Jobs](https://jobs.opennash.com/) / [General Dynamics](https://jobs.opennash.com/companies/general-dynamics/) / Principal Field Support Representative (TS/SCI Clearance Required) | General Dynamics ## Job description Responsibilities for this Position Principal Field Support Representative (TS/SCI Clearance Required) ### ID 2026-75242 US-MD-Annapolis Junction Required Clearance: TS/SCI Posted Date: 10/4/2026 Category: Technicians/Technical Support Employment Type: Full Time Hiring Company: General Dynamics Mission Systems, Inc. ### Basic Qualifications - Minimum of 25 weeks of military technical training school, along with an additional - 13 years of related experience is required or 2 years of directly related non-military technical trade school or the equivalent experience, along with an additional - 13 years of related experience is required or Bachelor's degree in a technical field or the equivalent experience, along with an additional - 9 years of related experience is required. Industry certifications are highly preferred. ### CLEARANCE REQUIREMENTS Department of Defense Top Secret/SCI security clearance is required at time of hire.Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required. Responsibilities for this Position Sign-on bonus and relocation available. Provide frontline technical support for mission-critical system, communications, and antenna equipment across the program. In this role, you will troubleshoot and repair complex hardware, perform preventive and corrective maintenance, and use your knowledge of RF, SATCOM, and processing systems to restore and sustain operational capability. Using available system-configuration documentation, installation guides, and operating procedures, you will plan and execute maintenance in accordance with manufacturer guidance, customer priorities, and operational schedules; provide remote support when effective; and coordinate on-site response for emergency repairs and other field needs. You will capture lessons learned and update system documentation and support procedures to improve future technical-support activities. The ideal candidate is a resourceful, hands-on problem solver who works effectively with customers and cross-functional technical teams. REPRESENTATIVE ### DUTIES AND TASKS: Installs and repairs equipment; instructs customers in equipment operation; provides technical assistance; checks equipment for malfunctions. Conducts technical analysis of product implementations, modifications and enhancements to product in accordance with specific customer specifications and implementations. Troubleshoots technical problems and issues, determines technical solution in accordance with product and customer specifications, and recommends actions to company or customer representatives for coordinative product solution. Assesses product needs in accordance with customer specifications. Conducts technical training and product briefing with customers, vendors and company representatives. Acts as local on-site representative to customer's organization. - Assists management reviewing maintenance contracts and complex system configurations and prepares the field support section of certified proposals - Conducts onsite training for construction safety, rigging, and equipment operation - Conducts site and equipment inspections in order to perform preventative and corrective maintenance - Conducts technical seminars and training for customer or company personnel, informal on the job training for other field service staff members and customers, and over-the-shoulder/refresher training to users in the field as required - Diagnoses and repairs mechanical, hardware, software and systems failures using established procedures and submits reports on system reliability metrics to technical/regional support centers - Documents failures and corrective action in accordance with proper procedures, and makes technical recommendations based on this collective data - Ensures civil construction of foundations, roads, and interfacility conduit systems Frequently interfaces with Customers, Government dignitaries, External consultants/experts, all levels of employees across the company, including Executive Management Frequently interfaces with engineers Highest level individual contributor in the field support family - Implements plans and procedures of installation of large steel structures - Implements test plans and procedures in accordance with contract requirements for the verification of deliverable system May be required to work outside for up to 10 hours a day May deploy and operate with US Forces to CONUS or OCONUS field locations, including combat operations May require electrician license - Perform complex technical evaluation and resolve critical technical problems on fielded systems - Performs field activities associated with installing, maintaining, integrating, troubleshooting, testing and servicing of multiple fielded systems/products at customer sites - Recommends design enhancements to internal management and engineering - Represents company at program and customer reviews Security Clearance may be required; may require TS/SCI clearance based on program assignment - Serves as the subject matter expert working with the tactical customer to accomplish initial installation, configuration and reconfiguration of all equipment as the communications environment evolves Specific OSHA training such as, 10 hours construction training, may be required as determined by management - Supervises the installation of large aperture antennas, radars, and towers, worldwide, in a construction environment - Installs high power electrical systems Virtually self-supervising - Works with customer leadership on the planning and implementation of system customization to meeting specific mission requirements KNOWLEDGE ### SKILLS AND ABILITIES: Applies advanced technical principles, theories and concepts. Contributes to development of new principles and concepts. ### Problem Solving Works on unusually complex technical problems and provides solutions which are highly innovative and ingenious. ### Discretion/ Latitude Works under consultative direction toward predetermined long-range goals and objectives. Assignments are often self-initiated. Determine and pursue courses of action necessary to obtain desired results. Work checked through consultation and agreement with others rather than by formal review of superior. ### Impact Develops advanced technological ideas and guides their development into a final product. Erroneous decisions or recommendations would typically result in failure to achieve critical organizational objectives and affect image of organization's technological capability. ### Liaison Serves as organization spokesperson on advanced projects and/or programs. Acts as advisor to management and customers on advanced technical research studies and applications. Considerable ability to act as a system technical advisor for all levels of customer leadership - Ability to use software tools such as HyperTerminal - Ability to work independently Comprehensive understanding of technologies associated with supported systems, and the application of these technologies within the customer environment, including detailed knowledge of system tactical employment configuration - Excellent verbal and written communication skills In-depth knowledge of advanced routing/switching commands/protocols - Strong knowledge of basic tool safety - Strong knowledge of construction safety - Proficient in the use of Microsoft Office Suite In-depth knowledge of test and diagnostic equipment such as multimeters, oscilloscopes, etc. Precision alignment of structures using optical and electronic instruments and tooling Skilled at onsite use of heavy equipment for very large structures Identifies opportunities to apply AI for continuous improvement and innovation Workplace Options: This role will require travel of up to 30% based on business needs This position is fully on-site While on-site, you will be a part of the Annapolis Junction team Salary Note This estimate represents the typical salary range for this position based on experience and other factors (geographic location, etc.). Actual pay may vary. This job posting will remain open until the position is filled. Combined Salary Range USD $55.08 - USD $59.08 /Hr. Company Overview General Dynamics Mission Systems (GDMS) engineers a diverse portfolio of high technology solutions, products and services that enable customers to successfully execute missions across all domains of operation. With a global team of 12,000+ top professionals, we partner with the best in industry to expand the bounds of innovation in the defense and scientific arenas. Given the nature of our work and who we are, we value trust, honesty, alignment and transparency. We offer highly competitive benefits and pride ourselves in being a great place to work with a shared sense of purpose. You will also enjoy a flexible work environment where contributions are recognized and rewarded. If who we are and what we do resonates with you, we invite you to join our high-performance team! Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans PI287501122 ## At a glance - Posted by the employer: Oct 4, 2026 - First seen by OpenNash: Oct 19, 2026 - Last checked: Oct 19, 2026 - Listed for: 15 days - Location: Annapolis Junction, MD, US - Employment type: Full-time - Pay: $59.08 /Hr[Apply on General Dynamics’s careers site →](https://www.gd.com/careers/principal-field-support-representative-ts-sci-clearance-required-annapolis-junction-md-us-2026-75242-gdms-opportunity) ## More jobs at General Dynamics ### [Active Directory Systems Administrator - TS/SCI w/Poly](https://jobs.opennash.com/companies/general-dynamics/jobs/34fc5929983493fa9b92/) Annapolis Junction, MD, US ### [Configuration Manager - TS/SCI with Polygraph | General Dynamics](https://jobs.opennash.com/companies/general-dynamics/jobs/9b076f104a07907cb672/) Annapolis Junction, MD, US ### [Email Services Systems Administrator - TS/SCI with Polygraph](https://jobs.opennash.com/companies/general-dynamics/jobs/f021098eecd29a41bc3e/) Annapolis Junction, MD, US ### [Endpoint Management Systems Administrator - TS/SCI with Polygraph](https://jobs.opennash.com/companies/general-dynamics/jobs/ffdb6148e481a8d6e355/) Annapolis Junction, MD, US ### [Enterprise Monitoring Systems Administrator - TS/SCI w/Poly | General Dynamics](https://jobs.opennash.com/companies/general-dynamics/jobs/569a4d7c1fc6410b7363/) Annapolis Junction, MD, US ## Similar jobs at other companies ### [Field Logistics Support Representative Staff - Level 4](https://jobs.opennash.com/companies/lockheed-martin/jobs/ae7a1a7bc4e2867ce852/) Lockheed Martin · South Burlington, VT ### [F22/F35 Field Logistics Support Representative Staff- Level 4](https://jobs.opennash.com/companies/lockheed-martin/jobs/51929390878504899ca1/) Lockheed Martin · Nellis AFB, NV ### [Field Support Representative Diagnostic Imaging Detroit MI in Detroit Metro | Support at IDEXX](https://jobs.opennash.com/companies/idexx-laboratories/jobs/37c960cad245c1f0bfbf/) IDEXX Laboratories · Detroit Metro ### [Peer Support Specialist - Field Richmond, Virginia](https://jobs.opennash.com/companies/cvs-health/jobs/0b546dff40b54b4117fe/) CVS Health · Field-Virginia ### [Motion Automation Intelligence- Field Services Support](https://jobs.opennash.com/companies/genuine-parts/jobs/50aefe7f7142b4fd3fc2/) Genuine Parts · Salisbury, NC OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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