Anti-Virus Software, Communication Skills, Computer Networks, Computer Security, Computer Software, Customer Relations, Data Analysis, Database Administration, Dell Computers, Diagnostics Solutions/Software, DoD Directive 8140, DoD Directive 8570, DoD Information Assurance - IA, Emerging Technology, Establish Priorities, Firewall Administration, Firewalls, Government, High Tech Industry, IAT - Information Assurance Technical, Information Technology & Information Systems, Intelligence Agencies, Internet Security, Interpersonal Skills, Leadership, Lift/Move 50 Pounds, Metrics, Microsoft Product Family, Network Administration/Management, Network Architecture/Engineering, Network Integration, Network Monitoring, Network Performance/Analysis, Network Protocols, Network Software, Network System Hardware, Network Systems, People Management, Performance Management, Presentation/Verbal Skills, Product Flow, Professional Services, Project/Program Management, Red Hat Linux Operating System, Schedule Development, Security Attacks, Security Clearance, Sensitive Compartmented Information (SCI), Software Administration, Software Licenses, Software Upgrades, System Operations, Systems Administration/Management, Systems Engineering, Team Player, Technical Writing, Test Plan/Schedule, Top Secret Clearance, Willing to Travel, Work From Home, Writing Skills
Systems Engineer Sr Principal
Job ID: 2613357
Location: Chantilly, VA, United States
Date Posted: Jun 4, 2026
Category: Engineering and Sciences
Subcategory: Systems Engineer
Schedule: Full-Time
Shift: Rotating
Travel: Yes - 10% of the time
Minimum Clearance Required: TS.SCI_wPoly
Clearance Level Must Be Able to Obtain: None
Potential for Remote Work: On-Site
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Job Description
Description
SAIC is looking for a Systems Administrator/Network Engineer/Spacecraft Command/Control Scheduler. Duties will include coordinating and managing end to end architecture by scheduling assets, configuring, maintaining, and troubleshooting networking equipment, servers and processing systems. End-to-end events will support testing, development, training, exercises, and real-world operations. This position is a direct interface with all users and sister agencies tabulating requirements, spotting trends, and developing usage metrics as needed by customers for mission execution.
- Plan and execute space and ground segment schedules coordinating with other intelligence organizations
- Monitor signal processor product generation ensuring flow of time critical data
- Monitor and update all components of computer network software including software licenses, software version updates and anti-virus software as required
- Configure and maintain firewalls, switches and servers in an operational environment
- Troubleshoot network hardware issues
- Responsible for network administration, fault detection and fault isolation services, network traffic monitoring and minimizing potential security threats
- Troubleshoot hardware and software, run diagnostics, document network problems, outages and solutions, prioritizing fixes, and assess current and future impact of issues
- Monitor and generate data analytics focused on improving network throughput performance
- Communicate scheduling and networking issues to internal team, as well as Government Lead
- Provide documentation and technical specifications to leadership for planning and implementing updates to end-to-end scheduling and networking software/hardware
- Support development organization with the integration of network hardware, software, cybersecurity upgrades and recap efforts for networks and systems operating at various classification levels
- Training and educating new users
- Rotational shift work that may include nights, weekends, and holidays
- Occasional travel required
- Must have excellent speaking, listening and written communication skills
- Team oriented and customer focused attitude is critical due to multiple networking locations and varied U.S. Government end users
Qualifications
Bachelors and fourteen (14) years or more experience; Masters and twelve (12) years or more experience; PhD or JD and nine (9) years or more experience or a closely related field with 5+ years of experience is desired. Additional years of hands-on work experience may be substituted in lieu of a degree
Relevant years of experience in CS/IT field may be substituted in lieu of degree
Must have a TS/SCI security clearance with an active Polygraph
Database, network administration, or system administration experience is preferred
Ability to solve problems and think critically, sometimes independent of significant experience or documentation of the problem area
DOD 8570 Information Assurance Technical (IAT) Level II certification is desired
If candidate does not have IAT Level II certification, they must obtain IAT Level II certification within 3 months of hire
Examples of IAT cert: CCNA Security, CySA+, GICSP, GSEC, Security+, CND, or SSCPy
Working knowledge of Linux Redhat Enterprise, Microsoft Server network protocols, Palo Alto Firewalls and Dell Server Configuration are desired
Must work well within team environment but accomplish tasks independently with little to no impact on other teammates' tasks
Document best practices, troubleshooting guides, and maintenance activities
Project management skills
Excellent communication, interpersonal/briefing skills, and the ability to interface with all levels of employees and management
Must be able to lift 50 lbs
Overview
SAIC accepts applications on an ongoing basis and there is no deadline.
SAIC is a premier mission integrator focused on advancing the power of technology and innovation to serve and protect our world. Our robust portfolio of offerings across the defense, space, intelligence, and civilian markets includes secure high-end solutions in mission IT, enterprise IT, engineering services, and professional services. We integrate emerging technology, rapidly and securely, into mission critical operations that modernize and enable critical national imperatives.
We are approximately 23,000 strong; driven by mission, united by purpose, and inspired by opportunities. SAIC is an Equal Opportunity Employer. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.3 billion. For more information, visit saic.com. For ongoing news, please visit our newsroom.
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Science Applications International Corp
SAIC is a premier Fortune 500® technology integrator driving our nation's digital transformation. Our robust portfolio of offerings across the defense, space, civilian, and intelligence markets includes secure high-end solutions in engineering, IT modernization, and mission solutions. Using our expertise and understanding of existing and emerging technologies, we integrate the best components from our own portfolio and our partner ecosystem to deliver innovative, effective, and efficient solutions that are critical to achieving our customers' missions.
We are a team of 26,000 strong driven by mission, united purpose, and inspired by opportunity. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.1 billion. For more information, visit saic.com.