358 jobs for "Cybersecurity Systems Engineer"

Description

Join Our Innovative Team at Leidos!

At Leidos, you'll be part of a team that creates innovative solutions for the Navy, directly contributing to the readiness of the warfighter. You'll work on products that simulate real-world scenarios, helping the Navy prepare for critical missions. This is your chance to make a tangible impact while exploring career opportunities in a supportive and collaborative environment.

Leidos is a recognized leader in delivering innovative simulation, training, and analysis solutions for the U.S. Navy. As the prime contractor for the High Fidelity Simulation (HFS) Portfolio, we are committed to advancing the Navy's mission through the development and sustainment of next-generation training systems like CIAT - Combined Integrated Air and Missile Defense (IAMD) and Anti-Submarine Warfare (ASW) Trainer - YouTube. Our work directly impacts warfighter readiness and mission success, ensuring the Navy is prepared for the challenges of today and tomorrow.

Position Overview
Leidos is seeking energetic, motivated, self-starters for these technically sophisticated and challenging cybersecurity engineering positions. Cybersecurity Co-ops may develop complex, defensive cybersecurity solutions for trainer systems and their development environments, and assess and upgrade Linux servers and workstations. All work is performed and executed in a Linux OS environment. All work is directly applicable to actual military training systems. Co-op students will gain invaluable, real-world experience on state-of-the-art computer-based systems. This co-op rotation will start in January 2027 and conclude in August 2027. Subsequent co-op rotations are available for those who require multiple co-op experiences.

Basic Qualifications:
• You will be participating in the development of large scale computer based training systems and you MUST be able to learn and apply advanced cybersecurity engineering skills and techniques.
• You MUST be able to work in a fast paced, team oriented enviroment.
• You MUST be available to work at least 7 months full time as a co-op.

Education: You MUST be Pursuing a Bachelor's Degree in Computer Science, Computer Engineering, Cybersecurity, or a related technical degree, have at least a 3.2 GPA, and be able to demonstrate solid Linux system and defensive cybersecurity skills.

Citizenship: You MUST have U.S. Citizenship and be eligible to obtain a U.S. Government granted security clearance. Employment is contingent on receiving an interim Secret security clearance.

Experience: No past experience is required, however you will be working in a professional environment and contributing to systems that will be used throughout the U.S. Navy. Therefore, you must be dedicated to producing quality work results, and must be extremely attentive to detail.

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:

August 27, 2026

For 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 $48,100.00 - $86,950.00

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.

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits.

Securing Your Data

Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

About Leidos

https://www.leidos.com/

Size: 10,000+ employees
Industry: Technology: B2B Tech Services

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