Posted 1 day ago
Top Secret
$131,300 - $237,350
Unspecified
IT - Security
Chantilly, VA (On-Site/Office)
R-00173021
Description
Who We Are :
Kudu Dynamics is a Leidos owned company, forged out of a decade of experience in computer network operations and staffed with talent who have built, overseen, and enhanced capabilities throughout the entire USG arsenal. Our team of hackers, engineers, makers, and shakers have experience spanning centuries of research, development, and operations
missions - across desktop, mobile, IoT, and embedded platforms. Kudu Dynamics is uniquely qualified to anticipate tomorrow’s threats and build the next capabilities.
Job Description:
The Information System Security Officer (ISSO) is responsible for maintaining the security posture of assigned information systems in accordance with federal cybersecurity requirements including NIST SP 800-53, JSIG, RMF, and other applicable DoD and agency regulations. The ISSO will ensure compliance with security policies, manage system security documentation, conduct risk assessments, and support authorization processes.
Required Qualifications:
Preferred Qualifications:
Key Responsibilities:
At Leidos, we don’t want someone who "fits the mold"—we want someone who melts it down and builds something better. This is a role for the restless, the over-caffeinated, the ones who ask, “what’s next?” before the dust settles on “what’s now.”
If you’re already scheming step 20 while everyone else is still debating step 2… good. You’ll fit right in.
Original Posting: January 6, 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 $131,300.00 - $237,350.00
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.
About Leidos
Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com .
Pay and Benefits
Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits .
Securing Your Data
Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application 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 communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at 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-Discrimination
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.
Description
Who We Are :
Kudu Dynamics is a Leidos owned company, forged out of a decade of experience in computer network operations and staffed with talent who have built, overseen, and enhanced capabilities throughout the entire USG arsenal. Our team of hackers, engineers, makers, and shakers have experience spanning centuries of research, development, and operations
missions - across desktop, mobile, IoT, and embedded platforms. Kudu Dynamics is uniquely qualified to anticipate tomorrow’s threats and build the next capabilities.
Job Description:
The Information System Security Officer (ISSO) is responsible for maintaining the security posture of assigned information systems in accordance with federal cybersecurity requirements including NIST SP 800-53, JSIG, RMF, and other applicable DoD and agency regulations. The ISSO will ensure compliance with security policies, manage system security documentation, conduct risk assessments, and support authorization processes.
Required Qualifications:
- Active Top Secret Security Clearance.
- CompTIA Security+.
- Bachelor’s degree in Cybersecurity, Information Technology, or a related field (or equivalent work experience).
- Minimum of 3–5 years of experience in information system security, cybersecurity, or IT security management.
- Experience supporting classified systems under the DoD Joint SAP Implementation Guide (JSIG) or ICD 503.
- Strong knowledge of NIST SP 800-53, Risk Management Framework (RMF), and relevant DoD cybersecurity policies.
- Experience with as eMASS, ACAS, Tenable/Nessus, Splunk, ManageEngine, or other compliance and vulnerability scanning tools.
- Strong communication and documentation skills.
- Understanding of networking, system administration, and security architecture principles.
- Working knowledge of both Windows and Linux Operating systems.
- Experience with Security Technical Implementation Guides (STIGs) and Security Content Automation Protocol (SCAP) Compliance Checker.
Preferred Qualifications:
- Experienced with Microsoft Word and Excel.
- Experienced with Adobe Professional, or other PDF editing software.
Key Responsibilities:
- Implement, manage, and enforce cybersecurity policies and procedures for assigned systems.
- Coordinate with stakeholders to support achieving Approval to Operate (ATO), continuous monitoring, and system decommissioning.
- Develop and maintain system security plans (SSPs), risk assessments, contingency plans, Security Controls Traceability Matrixes (SCTM), and related documentation.
- Monitor system security controls and continuously assess the security posture of the system.
- Ensure compliance with applicable federal and DoD cybersecurity frameworks (e.g., NIST RMF, JSIG).
- Conduct vulnerability scans and recognize information system vulnerabilities.
- Review and analyze system audit logs to identify anomalous activity and potential threats to network resources.
- Participate in security control assessments and coordinate with the Information System Owner (ISO), System Administrator (SA), and Security Control Assessor (SCA).
- Report security incidents, conduct incident response coordination, and support remediation activities.
- Maintain awareness of cybersecurity threats and recommend mitigation strategies.
- Track Plans of Action and Milestones (POA&Ms) and ensure timely remediation.
- Support customer inspections.
- Provide security guidance and awareness to system users and technical staff.
- Request and track standard and privileged system users.
At Leidos, we don’t want someone who "fits the mold"—we want someone who melts it down and builds something better. This is a role for the restless, the over-caffeinated, the ones who ask, “what’s next?” before the dust settles on “what’s now.”
If you’re already scheming step 20 while everyone else is still debating step 2… good. You’ll fit right in.
Original Posting: January 6, 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 $131,300.00 - $237,350.00
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.
About Leidos
Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com .
Pay and Benefits
Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits .
Securing Your Data
Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application 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 communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at 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-Discrimination
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.
group id: SCNCAPI2
Introducing the Next Level of Leidos
