- ManTech (Chantilly, VA)
- Mantech seeks a motivated and customer-focused ** Senior Security Engineer ** to join our team in **Chantilly, VA** . In this role, you will help design, ... deployments or data centers . Experience deploying and/or supporting enterprise security software such as firewalls, intrusion prevention systems (IPS),… more
- RTX Corporation (Sterling, VA)
- …problems that create a safer, more secure world. We have an exciting opportunity for a Senior Systems Engineer to join our team. This role supports one of ... providing systems engineering support, guidance, and fostering team communication. As a Senior Systems Engineer , you will serve in a technical support… more
- GovCIO (Richmond, VA)
- **Overview** GovCIO is currently hiring for a Senior Network Security Engineer with an active Secret clearance to plan and coordinate IT security ... USD $170,000.00 /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/6401/ senior -network- security - engineer /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-Remote_ **ID** _2025-6401_… more
- General Dynamics Information Technology (Fairfax, VA)
- …Yes **Job Description:** Transform technology into an opportunity as a **Directory Services Engineer / Senior Systems Administrator** with GDIT. A career ... At GDIT, people are our differentiators. Our work depends on a **Directory Services Engineer / Senior Systems Administrator** joining our CNIC Applications… more
- Leidos (Reston, VA)
- …& Infrastructure Portfolio at Leidos currently has an opening for a ** Senior Environmental Systems Engineer .** **The successful candidate will:** ... and software licensing support for environmental investigations and/or support activities. ** Senior Environmental Systems Engineer responsibilities:** *… more
- KBR (Chantilly, VA)
- …national security and shape the future of space defense. KBR is seeking a Senior Systems Engineer to support our customers in Chantilly, VA. The position ... Title: Systems Engineer - Research and Development - Senior...Senior Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology… more
- NTT DATA North America (Quantico, VA)
- …of an inclusive, adaptable, and forward-thinking organization, apply now. We are currently seeking a Senior Systems Engineer - Part-time 20 hours to join our ... Quantico, Virginia (US-VA), United States (US). **Job Summary:** The Senior Systems Engineer will design,...and applications. + Evaluate, improve, and maintain the information security throughout the network, systems , applications, and… more
- KBR (Chantilly, VA)
- Title: Senior SIGINT Systems Engineer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced ... contributions will be pivotal in designing and optimizing defense systems that ensure national security and shape...the future of space defense. KBR is seeking a Senior SIGINT Systems Engineer to… more
- BAE Systems (Sterling, VA)
- …developed or that was developed for each project in order to write the Systems Security Plans (SSP)/CONOPS in the Greenlight application. + Gather the ... provides engineering, integration and sustainment support for critical military platforms and systems . Intelligence & Security provides services and products to… more
- L3Harris (Herndon, VA)
- …land, sea and cyber domains in the interest of national security . Job Title: Senior Scientist, Systems Engineer Job Code: 25385 Job Location: Herndon, VA ... Job Schedule: 9/80 Job Description: The Advanced Concept Engineer (ACE) provides the strategic technical leadership to draw on L3Harris' technical competencies to… more