Information System Security Officer (ISSO) - Careers at Leidos
Leidos
Information System Security Officer (ISSO) - Careers at Leidos
Job Description
Join Leidos' Elite Cybersecurity Team as an Information System Security Officer (ISSO)
Kudu Dynamics, a Leidos-owned powerhouse in computer network operations, seeks a skilled ISSO to safeguard classified information systems in Chantilly, VA. With decades of expertise across USG missions, our hackers, engineers, and innovators anticipate tomorrow's threats today. If you're restless and ready to build the future of defense cybersecurity, this is your mission.
Core Responsibilities
- Implement cybersecurity policies aligned with NIST SP 800-53, RMF, JSIG, and DoD regulations.
- Manage system security documentation including SSPs, risk assessments, SCTMs, and POA&Ms.
- Perform vulnerability scans using ACAS, Tenable/Nessus; analyze audit logs with Splunk.
- Coordinate ATO, continuous monitoring, incident response, and system decommissioning.
- Track remediation, support inspections, and deliver security awareness training.
Required Qualifications
- Active Top Secret clearance and CompTIA Security+.
- 3-5+ years in cybersecurity with DoD classified systems experience.
- Expertise in eMASS, STIGs, SCAP, Windows/Linux, and networking principles.
Preferred Skills
- Proficiency in Microsoft Office and PDF editing tools.
Why Leidos?
Earn $131,300 - $237,350 annually in a full-time, mid-level role. Enjoy top-tier benefits, career growth in a dynamic environment, and the chance to melt the mold of conventional security. Leidos values innovators who push boundaries. Apply now for U.S. positions open at least 3 days from January 6, 2026.
Locations
- Chantilly, Virginia, United States
Salary
131,300 - 237,350 USD / yearly
131,300 - 237,350 USD / yearly
* This is an estimated range based on market data and may vary based on experience and qualifications.
Skills Required
- NIST SP 800-53intermediate
- Risk Management Framework (RMF)intermediate
- JSIG/ICD 503intermediate
- eMASSintermediate
- ACASintermediate
- Tenable/Nessusintermediate
- Splunkintermediate
- ManageEngineintermediate
- STIGsintermediate
- SCAP Compliance Checkerintermediate
- Windows OSintermediate
- Linux OSintermediate
- Vulnerability Scanningintermediate
Required Qualifications
- Active Top Secret Security Clearance (experience)
- CompTIA Security+ certification (experience)
- Bachelor’s degree in Cybersecurity, IT, or related field (or equivalent experience) (experience)
- 3–5 years in information system security or cybersecurity (experience)
- Experience with classified DoD systems under JSIG/ICD 503 (experience)
- Strong knowledge of DoD cybersecurity policies (experience)
- Proficiency in Microsoft Word, Excel, and Adobe Professional (experience)
Responsibilities
- Implement and enforce cybersecurity policies for assigned systems
- Develop and maintain SSPs, risk assessments, SCTMs, and POA&Ms
- Conduct vulnerability scans, audit log reviews, and security assessments
- Coordinate ATO processes, continuous monitoring, and incident response
- Ensure compliance with NIST RMF, JSIG, and DoD frameworks
- Provide security guidance to users and track system access
- Support customer inspections and recommend threat mitigations
Benefits
- general: Competitive salary range $131,300 - $237,350
- general: Comprehensive health, dental, and vision insurance
- general: 401(k) matching and retirement plans
- general: Professional development and certification reimbursement
- general: Generous paid time off and flexible work options
- general: Access to Leidos employee stock purchase program
Tags & Categories
Answer 10 quick questions to check your fit for Information System Security Officer (ISSO) - Careers at Leidos @ Leidos.
Related Books and Jobs
Information System Security Officer (ISSO) - Careers at Leidos
Leidos
Information System Security Officer (ISSO) - Careers at Leidos
Job Description
Join Leidos' Elite Cybersecurity Team as an Information System Security Officer (ISSO)
Kudu Dynamics, a Leidos-owned powerhouse in computer network operations, seeks a skilled ISSO to safeguard classified information systems in Chantilly, VA. With decades of expertise across USG missions, our hackers, engineers, and innovators anticipate tomorrow's threats today. If you're restless and ready to build the future of defense cybersecurity, this is your mission.
Core Responsibilities
- Implement cybersecurity policies aligned with NIST SP 800-53, RMF, JSIG, and DoD regulations.
- Manage system security documentation including SSPs, risk assessments, SCTMs, and POA&Ms.
- Perform vulnerability scans using ACAS, Tenable/Nessus; analyze audit logs with Splunk.
- Coordinate ATO, continuous monitoring, incident response, and system decommissioning.
- Track remediation, support inspections, and deliver security awareness training.
Required Qualifications
- Active Top Secret clearance and CompTIA Security+.
- 3-5+ years in cybersecurity with DoD classified systems experience.
- Expertise in eMASS, STIGs, SCAP, Windows/Linux, and networking principles.
Preferred Skills
- Proficiency in Microsoft Office and PDF editing tools.
Why Leidos?
Earn $131,300 - $237,350 annually in a full-time, mid-level role. Enjoy top-tier benefits, career growth in a dynamic environment, and the chance to melt the mold of conventional security. Leidos values innovators who push boundaries. Apply now for U.S. positions open at least 3 days from January 6, 2026.
Locations
- Chantilly, Virginia, United States
Salary
131,300 - 237,350 USD / yearly
131,300 - 237,350 USD / yearly
* This is an estimated range based on market data and may vary based on experience and qualifications.
Skills Required
- NIST SP 800-53intermediate
- Risk Management Framework (RMF)intermediate
- JSIG/ICD 503intermediate
- eMASSintermediate
- ACASintermediate
- Tenable/Nessusintermediate
- Splunkintermediate
- ManageEngineintermediate
- STIGsintermediate
- SCAP Compliance Checkerintermediate
- Windows OSintermediate
- Linux OSintermediate
- Vulnerability Scanningintermediate
Required Qualifications
- Active Top Secret Security Clearance (experience)
- CompTIA Security+ certification (experience)
- Bachelor’s degree in Cybersecurity, IT, or related field (or equivalent experience) (experience)
- 3–5 years in information system security or cybersecurity (experience)
- Experience with classified DoD systems under JSIG/ICD 503 (experience)
- Strong knowledge of DoD cybersecurity policies (experience)
- Proficiency in Microsoft Word, Excel, and Adobe Professional (experience)
Responsibilities
- Implement and enforce cybersecurity policies for assigned systems
- Develop and maintain SSPs, risk assessments, SCTMs, and POA&Ms
- Conduct vulnerability scans, audit log reviews, and security assessments
- Coordinate ATO processes, continuous monitoring, and incident response
- Ensure compliance with NIST RMF, JSIG, and DoD frameworks
- Provide security guidance to users and track system access
- Support customer inspections and recommend threat mitigations
Benefits
- general: Competitive salary range $131,300 - $237,350
- general: Comprehensive health, dental, and vision insurance
- general: 401(k) matching and retirement plans
- general: Professional development and certification reimbursement
- general: Generous paid time off and flexible work options
- general: Access to Leidos employee stock purchase program
Tags & Categories
Answer 10 quick questions to check your fit for Information System Security Officer (ISSO) - Careers at Leidos @ Leidos.
Related Books and Jobs