Information Systems Security Officer (ISSO)

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Description

The Defense Sector Leidos is looking for an Informion Systems Security Officer (ISSO) to support a fast-paced program with the Air Force Life Cycle Management Center. This role involves supporting the delivery of comprehensive IT and support services to ensure mission success while adhering to DoD standards and regulions. The ISSO will oversee the cybersecurity posture of DoD informion systems, ensuring compliance with DoD security standards and protecting sensitive da. The ISSO will develop and implement security policies, conduct risk assessments, manage system accreditions (RMF), and lead continuous monitoring efforts. The role requires collaborion with cross-functional teams to enforce security controls and manage incident response. The ISSO will also maintain security documention and ensure ongoing compliance with applicable regulions. The ISSO will be expected to be proficient technically & to perform hands-on cybersecurity tasks.  

This position will require 100% on-site work with no remote work supported.  

Primary Responsibilities:

• Collabore daily with the ISSM to provide expert cybersecurity guidance and recommendions 

• Support the development, implemention, and maintenance of security policies, procedures, and documention to ensure compliance with DoD security standards and regulions (e.g., NIST, RMF, FISMA). 

• Oversee the security posture of DoD informion systems, ensuring they meet cybersecurity requirements for confidentiality, integrity, and availability. 

• Perform risk assessments, vulnerability assessments, and security audits to identify system vulnerabilities and provide remediion stregies. 

• Manage and conduct continuous monitoring of security controls, ensuring the protection of classified and unclassified da. 

• Coordine with cross-functional teams (engineering, IT, operions) to implement and enforce security protocols and best practices. 

• Ensure the accredition process for DoD systems (e.g., RMF accredition) is completed and maintained in compliance with all applicable requirements. 

• Act as the primary point of contact for security-reled issues, coordining incident response and reporting to senior management and government customers. 

• Provide security training and awareness programs for personnel involved in the operion of DoD systems. 

• Maintain and track security documention, including system security plans (SSPs), risk assessments, and Plan of Actions & Milestones (POA&Ms). 

• Stay current with emerging cybersecurity thres, vulnerabilities, and trends to ensure the program adapts to evolving security challenges. 

Basic Qualificions:

• US Citizen with least a Top Secret clearance and the ability to obtain a SCI prior to your start de. In addition, the ability to maintain your clearance during your employment with Leidos.

• Bachelor’s Degree with 4+ years of experience or Master’s degree with 2+ years of experience. Additional experience may be considered in lieu of a degree.

• In-depth knowledge of DoD cybersecurity policies, frameworks, and compliance standards (e.g., NIST 800-53, RMF, FISMA, ICD 503/705, JSIG, DAAPM). 

• Must have a DoD 8140 Intermedie certificion (e.g. Cloud+, Security+, etc.). 

• Experience with system security engineering, risk management, and vulnerability assessments. 

• Strong understanding of network security, security controls, and common cybersecurity tools (e.g., firewalls, IDS/IPS, SIEM, endpoint protection). 

• Ability to work independently and collabore effectively with cross-functional teams. 

• Strong communicion skills, including the ability to cree and present detailed security reports to stakeholders. 

• Interest in continuous learning and professional development in cybersecurity. 

Preferred Qualificions:

• DoD 8140 Advanced certificion e.g. CISSP (Certified Informion Systems Security Professional), CISM (Certified Informion Security Manager), etc. 

• Experience with the Risk Management Framework (RMF) for DoD system accreditions and continuous monitoring processes. 

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If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the stus 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 step 30 — and moving faster than anyone else dares.

Original Posting:

Pay Range:

The Leidos pay range for this job level is a general guideline only and not a guarantee of compension or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, educion, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market da, 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 innovions. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximely $16.7 billion for the fiscal year ended January 3, 2025. For more informion, visit www.Leidos.com.

Pay and Benefits

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

Securing Your Da

Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-reled informion during any part of the employment applicion 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 communice with you through emails th are genered by the Leidos.com automed system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhsApp, Telegram, etc. If you received an email purporting to be from Leidos th asks for payment-reled informion or any other personal informion (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediely by emailing us 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-Discriminion

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

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