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From the employer's careers site First seen 25 Oct 2026

Systems Engineer

GDIT Washington, DC On-site senior full-time

Salary

$72,877 - $98,599 per year

Apply on GDIT

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.

Responsibilities:

  • 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 DOW 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.

Requirements:

  • Highly knowledgeable on mobile communications systems, including 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, including 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, including 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, including assessment of alternatives, requirements analysis, budget restrictions, and implementation constraints.

Benefits:

  • 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

Skills

Required

  • Communications Equipment
  • Electronic Equipment
  • Troubleshooting
  • CompTIA Security+
  • Windows 10
  • IP networking fundamentals
  • VOIP systems architecture
  • satellite communications technologies
  • radio frequency theory
Apply on GDIT