General program information and/or position overview. The qualified candidate will be responsible for supporting Leidos G&C's cybersecurity programs. In support of NSWC Dahlgren Division Combined Integrated Air and Missile Defense (CIAT) program, the candidate will assist in identifying and implementing security controls, performing risk assessments, and developing artifacts to obtain Authority to Operate (ATO) as part of the Risk Management Framework (RMF). Candidate will also perform duties in support of cybersecurity initiatives, such as, Independent Research and Development (IR&D), and operating cybersecurity testing environment.
Primary Responsibilities:
Assist in maintaining the CIAT system's cybersecurity posture in regard to availability, integrity, authentication, confidentiality, and non-repudiation.
Support the execution of all cyber management functions in strict compliance with applicable DoD, DoN, SECNAV, and OPNAV directives.
Contribute to the preparation and maintenance of the Risk Management Framework (RMF) package and other accreditation support documentation.
Help generate and maintain the Cyber Applicable Requirements Verification Matrix (RVM) and assist in documenting cyber-related risks.
Assist in the application of Security Technical Implementation Guides (STIGs), the hardening of Operating Systems, and the implementation of firewall rules.
Provide hands-on support for the system's cyber hardware and software suites.
Conduct cybersecurity testing under the direction of the lead engineer and assist in documenting results in Cyber Applicable Test Reports.
Support the development and updating of system security documentation, training materials, and user guides.
Basic Qualifications:
- DoD security clearance – Secret level
- A Bachelor’s degree in Cybersecurity, Computer Science, Information Technology, or a related technical field is preferred and 2-4 years of relevant experience.
- Foundational knowledge of the Risk Management Framework (RMF) and an understanding of DoD/DoN cybersecurity directives.
- Familiarity with vulnerability scanning tools (e.g., Nessus) and patch management.
- Basic understanding of OS hardening, networking concepts, and system security engineering principles.
- Strong organizational skills with the ability to contribute to clear technical documentation, procedures, and reports.
- Excellent teamwork and communication skills with the ability to effectively support a lead engineer in a government contracting environment.
- Must be willing and able to achieve DoD 8570/8140 compliance (e.g., CompTIA Security+) within 6 months of starting role
Preferred Qualifications:
- Experience with Security Information and Event Management (SIEM) tools.
- Familiarity with secure coding practices or experience with secure code analysis tools.
- Experience working in a DoD or government contracting environment.
- Current CompTIA Security+, Certified Ethical Hacker (CEH), or Certified Information Systems Security Professional (CISSP) certification.
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:May 13, 2026For 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.
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.
Skills Required
- DoD security clearance - Secret level
- Bachelor's degree in Cybersecurity, Computer Science, Information Technology, or a related technical field
- 2-4 years of relevant experience
- Foundational knowledge of the Risk Management Framework (RMF)
- Understanding of DoD/DoN cybersecurity directives
- Familiarity with vulnerability scanning tools
- Basic understanding of OS hardening and networking concepts
- Strong organizational skills
- Excellent teamwork and communication skills
- Willing to achieve DoD 8570/8140 compliance (e.g., CompTIA Security+) within 6 months
Leidos Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Leidos and has not been reviewed or approved by Leidos.
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Healthcare Strength — Healthcare coverage is described as comprehensive, with multiple plan options, low office-visit copays in some plans, and access to mental health and wellness support tools. The availability of HSA/FSA options and employer contributions is positioned as a meaningful part of the total package.
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Retirement Support — Retirement benefits are framed as a strong component of total rewards, highlighted by a 401(k) match and immediate vesting in the standard package. The Employee Stock Purchase Plan is also presented as an additional long-term wealth-building feature.
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Wellbeing & Lifestyle Benefits — Wellbeing and lifestyle supports extend beyond core insurance, including wellness programs, fitness-related stipends, and assistance resources. Work flexibility and related perks are also included as part of the broader rewards experience.
Leidos Insights
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.
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