Information Systems Security Officer

Description

Leidos has a new and exciting opportunity for an Information Systems Security Officer (ISSO) in our Intelligence Sector, Cyber & Analytics Business Area (CABA). Our team works at the forefront of Security Engineering, Computer Network Operations, Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management.

We offer a competitive benefits package including paid time off, holidays, 401(k) with company match, flexible schedules, stock purchase plans, technical upskilling, education and training support, parental paid leave, and more.

This position is eligible for a $15,000 sign‑on bonus!

The ISSO plays a vital role in securing and maintaining the integrity of our information systems through robust security measures and compliance frameworks. This multi‑year, high‑impact program supports our customer site in Annapolis Junction, MD, focusing on the development, integration, deployment, and sustainment of large‑scale collection systems.

As part of this mission‑critical contract, you will work independently, innovate with emerging technologies, and contribute directly to national security.

• Enhancing security posture by supporting the program and enforcing security policies, standards, and methodologies.
• Overseeing security operations for information systems, managing daily security aspects, evaluating security solutions for classified processing, and conducting vulnerability and risk assessments.
• Managing configuration and system integrity by administering configuration management for security software, hardware, and firmware, ensuring compliance with security controls, and assessing the impact of system changes.
• Developing and maintaining security documentation, including System Security Plans (SSPs), Risk Assessment Reports, Certification & Accreditation (C&A) packages, and System Requirements Traceability Matrices (SRTMs).
• Ensuring compliance with the Information System Certification and Accreditation Process (NISCAP) and DoD Risk Management Framework (RMF).
• Providing technical expertise in security policies and operations, supporting the implementation and maintenance of security measures, and collaborating with stakeholders to strengthen security posture.
• Driving continuous improvement by assessing existing security processes, identifying vulnerabilities, and implementing proactive solutions to enhance system resilience.

• Bachelor's Degree in Computer Science, Information Assurance, Information Security, or a related discipline, plus 7 years of experience. In lieu of a degree, an additional 4 years of experience may be considered on a case‑by‑case basis.
• 4+ years of ISSO experience supporting IC or DoD programs and contracts of similar scope, type, and complexity.
• Experience with customer Information Security tool suite.
• DoD 8570 compliance with IAM Level II or IAT Level III (CASP, CISSP, or Associate).
• Must hold an active TS/SCI with Polygraph.

$ – $

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.