SATCOM / Mobile / COMSEC / VHF Systems Engineer - Active Top Secret Required

General Dynamics Information Technology, Inc.; Washington (District of Columbia); On-site; USD 73,000 - 99,000; Full time

Benefits offered by this job

Flexible work schedule

401K with company match

Health and wellness packages

Internal mobility support

Job summary

General Dynamics Information Technology, Inc. is seeking a Systems Engineer to support a high‑profile federal maintenance program in Washington, DC.

You will serve as the maintenance SME for a government client, resolving complex issues with strong technical and customer service skills to keep critical communications assets mission-ready. You will partner with the client on planning, configuration, and sustainment of mobile and fixed platforms, including SATCOM, LMR, and IP‑based voice

Qualifications

• Active Top Secret clearance with SCI access.
• Excellent written and verbal communication skills.
• Availability for CONUS travel up to two weeks.

Responsibilities

• Provide technical input and guidance on planning, configuring and implementing mobile and fixed communications platforms.
• Deliver system administration, troubleshooting, and end-user support for LMR, SATCOM, cellular routing, and Windows terminals.
• Perform routine maintenance on SATCOM systems, multi‑band radios, IP endpoints, servers and network gear to maintain mission readiness.
• Manage inventory and life-cycle maintenance for communications and IT equipment.
• Support logistics for acquisition, storage, relocation, and deployment of equipment.
• Create and maintain SOPs, task documentation, and system updates for consistent operations.

Skills

Communications Equipment

Electronic Equipment

Troubleshooting

CompTIA Security+ (DoDD 8140 IAT II)

Education

BS/BA or Equivalent experience

Job description

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: Professional Engineering Job Qualifications: Skills: Communications Equipment, Electronic Equipment, Troubleshooting Certifications: None Experience: 3 + years of related experience US Citizenship Required: Yes

Job Description

Seize your opportunity to make a personal impact as a Systems Engineer supporting a world class maintenance program servicing a wide variety of data and voice communications equipment for our prestigious client at the highest levels of the federal government in the heart of our nation’s capital. As a Systems Engineer, you are the foundation of our overall approach to maintenance. You act as the maintenance subject matter expert for our government client and exhibit the exceptional technical and customer service skills to resolve issues as quickly and efficiently as possible. GDIT is your place to make meaningful contributions to challenging projects and grow a rewarding career. At GDIT, people are our differentiator. As a Systems Engineer, you will help ensure today is safe and tomorrow is smarter. Our work depends on a Systems Engineer joining our team to bring professionalism and initiative to a fast‑paced environment that offers extensive options for training, certification, and career advancement. When we succeed, you succeed and together our best becomes better.

How a Systems Engineer will make an impact

• Provide technical input and guidance to the customer in the planning, configuring and implementation of mobile and fixed communications platforms, with emphasis on safety, reliability, supportability, and long-term sustainment.
• Deliver system administration, operational support, troubleshooting, and end‑user assistance for land mobile radio (LMR), satellite communications (SATCOM), cellular‑based routing solutions, and Windows‑based terminals in tactical and field environments.
• Perform routine and emergency maintenance and repair on SATCOM systems, multi‑band radio platforms, IP‑based voice endpoints, computing devices, and core data network equipment (servers, KVMs, routers, switches, distribution panels) to maintain system availability and mission readiness.
• Manage inventory records and life‑cycle maintenance schedules for communications and IT equipment, supporting accurate asset visibility, planned refresh, and ongoing sustainment of operational systems.
• Support logistics activities related to the acquisition, storage, relocation, and deployment of communications equipment to ensure timely access to resources required to sustain and expand mission communications capabilities.
• Handle communications security (COMSEC) keying material in accordance with applicable DoD and unit COMSEC policies and procedures to protect the integrity and confidentiality of secure communications.
• Provide recommendations on replacements, upgrades, and enhancements to existing communications capabilities to ensure systems remain modern, resilient, and supportable over time.
• Create and maintain documentation for standard operating procedures, recurring tasks, and system updates, enabling consistent operations and efficient troubleshooting across the supported organization.
• Develop and deliver training for unit personnel on the proper operation and routine maintenance of secure mobile communications platforms, supporting long‑term sustainment of deployed systems.

What you’ll need to succeed

• Highly knowledgeable on mobile communications systems to include the Iridium satellite constellation, 4G LTE/5G mobile routers, secure mobile cellular devices, and VHF/SHF/UHF radio platforms.
• Understanding of IP networking fundamentals, VOIP systems architecture, encrypted video teleconferencing (VTC) systems, and the Public Switched Telephone Network (PSTN).
• Knowledge of satellite communications technologies to include UHF/Ku/Ka bands, Milstar capabilities, WGS capabilities, TDMA and FDMA network architecture, and procedures for accessing communications assets in the space segment.
• Knowledge of radio frequency theory, including HF radio propagation, VHF radio capabilities, and radio encryption methods.
• Understanding of site design and equipment integration based on established deployment operating procedures and requirements.
• Familiar with systems integration procedures to include hardware framing and mounting methods, basic soldering, power tool operation, minor modification of plastic and metal bench stock parts, and cable installation and removal techniques.
• Knowledge of general principles of electrical circuits, fabricating and splicing of electrical connectors, and testing electronic equipment using digital multimeters.
• Experience in troubleshooting complex communications problems using specialized testing equipment such as spectrum analyzers, optical time domain reflectometers (OTDR), bit error rate testers, network traffic analyzers, and packet inspection equipment.
• Working knowledge of Windows 10, Windows administrative tools, and Windows software interoperability.
• Knowledge of generally accepted standards pertaining to technical writing/documentation associated with operational requirements documents, standard operating procedures, and quick reference guides.
• Understanding of solutions procurement process to include assessment of alternatives, requirements analysis, budget restrictions, and implementation constraints.

Qualifications

• Available for travel within the continental United States for periods of time up to two weeks in support of mission activities.
• Possesses an active TOP SECRET/SCI clearance and possesses eligibility requirements to access classified information.
• Must possess excellent written and verbal communications skills with the ability to articulate complex mission information to members of U.S. Government’s leadership.
• Be capable of establishing and cultivating friendly relationships with partner agency personnel, third party equipment providers, and sibling programs.
• Must be self‑sufficient and capable of maintaining required operational tempo when working autonomously or with minimal supervision.
• Work location will be in Washington, D.C. and offices in the DMV area.
• Work hours are flexible, but contract staff must meet minimal requirements on a weekly basis.
• CONUS travel is at the request of the customer and may not be flexible under some circumstances.
• Education: BS/BA or Equivalent experience
• Required Experience: 3+ Years’ related experience
• Required Technical Skills: CompTIA Security+ (or DoDD 8140 IAT II Compliance)
• Security Clearance Level: Active Top Secret with SCI
• Eligibility Required Skills and Abilities: Excellent written communication and technical documentation skills
• Location: On Customer Site, Washington, District of Columbia

GDIT is your place

• Flexible work schedule
• 401K with company match
• Comprehensive health and wellness packages
• Internal mobility team dedicated to helping you own your career
• Professional growth opportunities including paid education and certifications
• Cutting‑edge technology you can learn from
• Rest and recharge with paid vacation and holidays

The likely salary range for this position is $72,877 - $98,599. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.

Scheduled Weekly Hours: 40
Travel Required: Less than 10%
Telecommuting Options: Onsite
Work Location: USA DC Washington
Additional Work Locations: Total Rewards at GDIT:

Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.

Identity Verification Process

As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during virtual interviews. We reserve the right to take your picture to verify your identity and prevent fraud. By proceeding, you authorize the collection, processing, and use of your biometric data for identity verification and security purposes.

About Our Work

We are GDIT. A global technology and professional services company that delivers technology solutions and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50+ countries worldwide, offering leading mission‑ready capabilities in AI, cloud, cyber and software development.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans Opportunity Owned From working with technologies like AI, cyber and cloud to careers in intelligence and health, we offer endless opportunities to apply your expertise to create a safer, smarter world.