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Information Systems Security Officer

Leidos


Job Location:

Huntsville, AL - USA

Monthly Salary: $ 69550 - 125725
Posted: 14 August 2026 (19 days ago)
Application Deadline: 11 November 2026
Vacancies: 1 Vacancy

Job Summary

Leidos Dynetics operating within the Digital Sector is seeking a talented Information System Security Officer (ISSO) to join a diverse team responsible for creating unique solutions for complex problems. With offices across the United States engaging in the defense space cyber and commercial fields Dynetics provides responsive cost-effective engineering scientific and IT solutions.

In this role you will be responsible for supporting our Classified Information System Cybersecurity/Information Assurance Program. This Junior ISSO role will report to the Information System Security Manager (ISSM) on all aspects of classified information system security compliance.

Location: Work is to be performed on-site in our Huntsville office with 20% telework allowable.

Clearance: You must currently hold an active DoD Secret clearance to be considered.

Primary Responsibilities

  • Assessing and monitoring system compliance auditing security plan development and delivering information systems security education and awareness

  • Investigating information system security violations and help prepare reports specifying corrective and preventative actions

  • Support the creation review and update of cybersecurity documentation and other technical writing

  • Support the auditing of information systems to ensure compliance with security policies and procedures while reporting any discrepancies to the ISSM ISO or FSO.

  • Assisting in the Risk Management Framework (RMF) authorization process by developing and maintaining artifacts for the IS Body of Evidence (BoE).

  • Reviewing Configuration Management (CM) requests of all associated hardware software and security relevant functions are maintained and documented as part of CCB approval process.

  • Sanitization and release of hardware in accordance with security policies or Authorizing Official (AO) guidance.

  • Testing evaluating and application of required technical security controls and periodic inspections of information systems.

Basic Qualifications

  • Bachelors Degree and 2-4 years of relevant experience in a computer related discipline. Equivalent relevant experience may be considered in lieu of a degree.

  • Currently hold active DoD 8140/DoD Cyber Workforce Framework (DCWF) work role (for example CompTIA Security CySA CISSP CISM or equivalent) or the ability to otherwise satisfy DoD 8140 qualification requirements through approved education training or experience.

  • Must currently hold an Active Secret Clearance

Relevant Experience Considered:

  • Cybersecurity systems security or hardening Information Technology

  • Compliance-based auditing using the Risk Management Framework (RMF) DCSA Assessment and Authorization Guide (DAAG) National Industrial Security Program Operating Manual (NISPOM)

  • Experience working with and/or supporting computer technologies (such as databases operating systems computer network hardware software programs hardware troubleshooting or electronics)

  • Some understanding of security configurations across multiple operating systems in various environments including Windows Linux utilizing Active Directory/Group Policy Delinea etc. is required.

  • Candidate must be highly organized self-motivated with excellent documentation and time management skills and

  • Must possess the ability to communicate well with others and work with minimal supervision.

Preferred Qualifications:

  • Some Experience with IT (Windows Linux) and/or security related certifications (e.g. ISC2 Certified in Cybersecurity (CCC)certification CompTIA CySA certification GIAC Certified Incident Handler (GCIH) certification)

  • Experience working in DoD classified operating and/or laboratory environments

  • Some Experience with various information system security tools that address vulnerability analysis and mitigation. These may include SPLUNK SolarWinds Trellix Tenable and SCAP.

  • Familiarity with implementation of Government directives and policies derived from NIST STIG DoD or other Government Regulatory compliance standards within a professional industry

  • Familiarity in the execution of the Assessment & Authorization processes as defined within the Risk Managed Framework (RMF) eMASS

  • Ability to support technical security consultation for complex cross-domain heterogeneous classified networked environments in collaboration with internal/external Customers Information Technology (IT) with Team support

  • Familiarity with the execution and management of cyber incident response; preservation containment and eradication

  • Proficiency in interpreting logs from command line results and SIEM tools (e.g. Splunk SolarWinds and Command Line)

If youre looking for comfort keep scrolling. At Leidos we outthink outbuild and outpace the status quo because the mission demands it. Were not hiring followers. Were recruiting the ones who disrupt provoke and refuse to fail. Step 10 is ancient history. Were already at step 30 and moving faster than anyone else dares.

Original Posting:
August 11 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 $69550.00 - $125725.00

The Leidos pay range for this job level is a general guideline onlyand 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.


Required Experience:

Unclear Seniority


About Company

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Leidos is an innovation company rapidly addressing the world's most vexing challenges in national security and health. Our 47,000 employees collaborate to create smarter technology solutions for customers in these critical markets.

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