Leidos has a new and exciting opportunity for a Principal System 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 Principal Systems Engineer, you will be responsible for designing, implementing, and maintaining enterprise-level systems that support mission-critical operations. You will work with ONEROOF, PITCHHITTER, NiFi, and various Systems Administration (SA) components, ensuring seamless virtualization, Linux environments, GOTS product integration, and Windows Server administration.
Responsibilities:
- Architect, configure, and maintain systems utilizing ONEROOF, PITCHHITTER, and NiFi to optimize workflow and data processing.
- 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 twenty (20) years of systems engineering experience. OR A High School Diploma or GED plus twenty-five (25) years of general systems engineering experience (any process area).
- Experience with ONEROOF, PITCHHITTER and NiFi
- Clearance Requirement: Active TS/SCI with polygraph security clearance
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
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Original Posting:June 9, 2025For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Pay Range:Pay Range $148,850.00 - $269,075.00The 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.
Top Skills
What We Do
We Are Leidos
For 50 years we have been tackling some of the biggest problems that face our nation and our world.
OUR MISSION
Through our culture of innovation and history of performance, we develop deep customer trust built on integrity and create enduring solutions that improve our world. Leidos is a science and technology solutions leader working to address some of the world’s toughest challenges in the defense, intelligence, homeland security, civil, and healthcare markets. The company’s 43,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Va., Leidos reported annual revenues of approximately $11.09 billion for the fiscal year ended January 3, 2020.
Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®.
Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the newly launched Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos.
Your most important work is ahead.
