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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Information System Security Officer (ISSO) - **Company:** ALPHA OMEGA INTEGRATION, LLC. - **Location:** Vienna, VA, United States - **Experience:** Expert - **Salary:** $119,000.0 - $170,000.0 - **Contract:** Permanent contract - **Skills:** Agile Methodology, Cyber Security, Information Systems, DevOps, Information Security Management, Information Systems Security Architecture Professional, Knowledge Management, Software Vulnerability Management, Cloud Platform System, Tenable Nessus, Cloud Migration - **Published:** July 20, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9041904/senior-information-system-security-officer-isso ## About the Role Alpha Omega is looking for a Senior Information System Security Officer (ISSO) to join our team to support one of our government customers. The primary responsibilities for the position are to support all portfolio level documentation for 30+ applications, coordinate and collaborate with government client, and assist teams in best practices around vulnerability remediation. The nature of the work requires that the candidate demonstrates initiative, organization, responsibility, customer service skills, and the ability to be flexible and adaptive to a fast-paced, fluid business environment. The candidate must be able to communicate effectively and decisively with all levels of the organization, collaborate within and across teams, and be able to solve practical problems as well as exercise sound judgement with regards to sensitive and confidential information., * Minimum Years of Overall Experience: 10 * Highly responsive to customer needs * Knowledge of security controls, ideally in government setting Preferred Qualifications: * Experience supporting systems hosted in Cloud environments. * Experience supporting systems in Agile and DevOps environments * Experience supporting portfolio level O&M support (Required or Preferred) Education: * Bachelor's Degree or equivalent. Desired Certification(s): * Certified Information Systems Security Professional (CISSP) * CompTIA Advanced Security Practitioner (CASP) * Certified Information Systems Auditor (CISA) * Certified Ethical Hacker (CEH) * Certified Information Security Manager (CISM) ## Description The ideal candidate will have real hands-on ISSO experience, with preferred experience in portfolio and O&M support. They should understand the full RMF process from start to finish, be comfortable working with different IA controls, and have experience using scanning tools and supporting ATO packages. Candidates should know FS-191, operational directives, and compliance requirements, along with a solid grasp of NIST RMF (SP 800-37) and NIST SP 800-53 controls (Rev 4 & Rev 5), CNSSI 1253. * Provide subject matter expertise to ensure compliance with FDIC and NIST cybersecurity policies and frameworks. * Support the implementation and sustainment of security controls in alignment with the NIST Risk Management Framework (RMF). * Responsibility for and to assist system owners in maintaining system Authorization to Operate (ATO) status. * Support Operations & Maintenance of 30+ applications, as well as initiative efforts around Cloud Migration and a breadth of technologies. * Create and maintain documents like Security Impact Analysis (SIAs), POA&Ms, Security and Privacy Control Assessments (SCAs), and other continuous monitoring reports/artifacts * Develop best practices around common vulnerability remediation, prioritization of findings and criticality, mitigation strategies, and counter measures. * Develop and maintain knowledge management across programs. * Hold training sessions and office hours to support project teams and promote collaboration across work streams * Assist in identification of false positives due to unused libraries or other findings * Hold monthly sessions with government clients to review documentation updates, in addition to regularly scheduled meetings required for workstream support * Strengthen collaboration and information sharing across agency and external partners to support cybersecurity risk reduction and resilience. ## Related Videos - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Thinking Differently - How to Make Money from Cyber Attacks & Cheats](https://www.wearedevelopers.com/videos/745-thinking-differently-how-to-make-money-from-cyber-attacks-cheats) - [From DevOps to Scaled DevOps: How We’re Rebuilding Continuous Delivery as a Platform](https://www.wearedevelopers.com/videos/100018-from-devops-to-scaled-devops-how-we-re-rebuilding-continuous-delivery-as-a-platform) - [One Pipeline, Three Regulator - SBOM Compliance for the Developer](https://www.wearedevelopers.com/videos/100169-one-pipeline-three-regulator-sbom-compliance-for-the-developer) - [DevSecOps culture](https://www.wearedevelopers.com/videos/783-devsecops-culture) - [Cyber Security: Small, and Large!](https://www.wearedevelopers.com/videos/259-cyber-security-small-and-large) ## Related Articles - [9 Ways to Make Money Hacking](https://www.wearedevelopers.com/magazine/333-9-ways-to-make-money-hacking) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [Events like RSAC Get You CISOs. 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