Cybersecurity Analyst - ISSO

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Leidos’ Defense Senor Research and Analysis Division is seeking a Cybersecurity Analyst-ISSO to work in our Leidos Defense Sensors has offices in Huntsville, AL. This is an exciting opportunity to use your experience to provide solutions to ensure compliance with the DoD RMF Framework for systems in development while maintaining continued functionality.

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Primary Responsibilities

The ideal candidate will oversee, evaluate, and support documentation and assessment processes to meet government cybersecurity standards. The candidate will support external test and risk reduction events, implement STIGs for systems and assist system owners in addressing items on a POA&M. Candidate will be required to support multiple tasks in parallel, productively contribute in and lead team engagements, and communicate effectively to management, coworkers, and customers. Candidates must show willingness to expand technical expertise to increase the impact of contributions across the team and client mission.

Utilize best practices and methods for monitoring, auditing, and measuring risk, compliance, and assurance efforts. Ensure risk, compliance, and assurance efforts conform to DoD security, resilience, and dependability requirements at the software application, system, and network levels. Document preliminary or residual security risks for system operation & manage and finalize Accreditation Packages.

Basic Qualifications

• Candidate must have Bachelors Degree in relevant field with at least 8 years of experience. Three years of applicable experience can serve as substitute for degree. In lieu of a degree a combination of education, military experience plus 11 years of may be considered.
• Must have a foundational understanding of cybersecurity with the ability to develop and maintain a Risk Management Framework authorization package. Familiarity with DoD STIG requirements, RMF, IAVM’s. Familiarity with Cybersecurity assessment tools such as ACAS, Nessus, SCC, STIG Viewer.
• Experience administrating Linux and Windows operating systems.
• Must comply with the experience, training, and certification requirements IAW DoD 8570.01 IAT level II or IAM level III.
• Must be a US citizen, possess and able to maintain a current Secret Clearance.
• Must be a resident of Huntsville, AL or willing to relocate to the Huntsville, AL area.

Preferred Qualifications

• Strong communication skills
• Ability to work in a highly-technical, team-oriented environment that includes customers and co-workers
• Strong desire to learn and constantly improve
• Experience mentoring and teaching Cybersecurity/IT methods and best practices to peers

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

November 10, 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 $107,900.00 - $195,050.00

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.