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Computer System Security Jobs (NOW HIRING)

System Security Auditor LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note this ... Computer Science, Information Systems, Computer Engineering, Network Engineering, Systems ...

System Security Auditor LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please note this ... Computer Science, Information Systems, Computer Engineering, Network Engineering, Systems ...

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How much do computer system security jobs pay per hour?

As of Jul 24, 2026, the average hourly pay for computer system security in the United States is $29.18, according to ZipRecruiter salary data. Most workers in this role earn between $24.76 and $33.65 per hour, depending on experience, location, and employer.
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Infographic showing various Computer System Security job openings in the United States as of July 2026, with employment types broken down into 1% As Needed, 82% Full Time, 14% Part Time, and 3% Contract. Highlights an 93% Physical, 2% Hybrid, and 5% Remote job distribution, with an average salary of $60,700 per year, or $29.2 per hour.
Information System Security Officer

Information System Security Officer

Leidos

Huntsville, AL

Full-time

Posted 8 days ago


Leidos rating

8.4

Company rating: 8.4 out of 10

Based on 149 frontline employees who took The Breakroom Quiz

58th of 454 rated business services


Job description

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

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

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
  • Conducting technical and administrative assessments
  • Integrating new cybersecurity processes, procedures, and tools
  • Support the creation, review and update of cybersecurity documentation and other technical writing
  • The ISSO's primary duties will consist of managing the day-to-day compliance of our classified information systems by:
  • Auditing 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 and approving (within authority) Configuration Management (CM) requests of all associated hardware, software, and security relevant functions is maintained and documented as part of CCB approval process.
  • Assisting with sanitization and release of hardware in accordance with security policies or Authorizing Official (AO) guidance.
  • Testing/evaluation and application of required technical security controls and periodic inspections of information systems.

Basic Qualifications

  • An active Secret clearance is required to be considered, with the ability to obtain a Top Secret clearance if hired.
  • Position requires having and maintaining a Security+ or equivalent certification to be considered.
  • Position typically requires a BS degree and at least 4 years of applicable, related experience in a computer-related discipline.
  • Cybersecurity, systems security or hardening, Information Technology
  • Compliance-based auditing using the Risk Management Framework (RMF), DCSA Assessment and Authorization Process Manual (DAAPM), National Industrial Security Program Operating Manual (NISPOM) or Joint Special Access Program (SAP) Implementation Guide (JSIG)
  • Experience working with and/or supporting computer technologies (such as: databases, operating systems, computer network hardware, software programs, hardware troubleshooting or electronics)
  • Physical security, project or program management, office management, senior administration, or account management
  • Experience with security configurations across multiple operating systems in various environments, to include Windows, Linux, UNIX, utilizing Active Directory/Group Policy, Centrify, etc. is required.
  • Candidate must be highly organized and self-motivated with excellent documentation skills and the ability to work with minimal supervision.

Preferred Qualifications

  • Experience with IT (Windows, Linux) is preferred.
  • Experience working in DoD classified operating and/or laboratory environments
  • Experience with various information system security tools that address vulnerability analysis and mitigation. These may include Solarwinds, Tenable, SCAP.
  • Familiarity with implementation of Government directives and policies derived from NIST, STIG, DoD, or other Government Regulatory compliance standards within a professional industry
  • Experience in the execution of the Assessment & Authorization processes, as defined within the Risk Managed Framework (RMF)
  • Experience providing technical security consultation for complex, cross-domain, heterogeneous classified networked environments in collaboration with internal/external Customers, Information Technology (IT)
  • Familiarity with the execution and management of cyber incident response; preservation, containment, and eradication

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

Original Posting:July 16, 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 $87,100.00 - $157,450.00

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.


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About Leidos

Sourced by ZipRecruiter

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainable practices. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Reston, VA, US

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