Leidos has a new and exciting opportunity for a Senior Systems Integration Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA).  Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management.

At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more.  Join us and make a difference in National Security!  

Job Summary

As a Senior Systems integration Engineer you will be responsible for designing, implementing, deploying, and maintaining enterprise-level systems that support mission-critical operations. You will work hands-on with RF and FORNSAT systems and various Systems Administration (SA) components, ensuring seamless virtualization, Linux environments, GOTS product integration, and Windows Server administration.

Responsibilities:

• Provide technical direction and hands-on expertise for the development, engineering, integration, and testing of hardware/software RF and FORNSAT systems.
• Architect, configure, and maintain systems utilizing GOTS products.
• Provide virtualization support, including cloud-based and on-premises solutions.
• Administer and troubleshoot Linux-based environments, ensuring high availability and security compliance.
• Manage, maintain, and deploy GOTS (Government Off-The-Shelf) products, integrating them within complex system architectures.
• Oversee Windows Server administration, including performance tuning, security enhancements, and automation.
• Collaborate with cross-functional teams to ensure robust system design and operational efficiency.
• Develop and implement best practices for system security, monitoring, and documentation

Qualifications:

• A Bachelor's degree in a Qualified Engineering Field or a related discipline from an accredited college or university plus Fourteen (14) years of systems engineering experience. OR A High School Diploma or GED plus nineteen (19) years of general systems engineering experience (any process area).
• Must possess active TS/SCI with polygraph clearance to be considered for this role.
• Must have experience configuring and integrating GOTS products
• Experience with FORNSAT systems and Systems Integration

At Leidos, the opportunities are boundless. We challenge our staff with interesting assignments that allow them to thrive professionally and personally. For us, helping you grow your career is good business. We look forward to learning more about you – apply today

conmd

nsspf

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

December 2, 2025

Pay Range:

Pay Range $126,100.00 - $227,950.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.