Information System Security Officer
Listed on 2026-10-02
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IT/Tech
Cybersecurity
Information System Security Officer
Remote
Are you ready to enhance your skills and build your career in a rapidly evolving business climate? Are you looking for a career where professional development is embedded in your employer’s core culture? If so, Chenega Military, Intelligence & Operations Support (MIOS) could be the place for you! Join our team of professionals who support large-scale government operations by leveraging cutting-edge technology and take your career to the next level!
The Information System Security Officer (ISSO) serves as the senior cybersecurity lead responsible for ensuring the security, compliance, accreditation, and continuous protection of the GSAFleet.gov environment.
Responsibilities- Plan, implement, assess, and monitor GSAFleet.gov security controls throughout development and operations.
- Coordinate secure design, access control, vulnerability scanning, remediation, and security checks in CI/CD workflows.
- Develop and maintain security-plan inputs, control implementation evidence, assessment materials, POA&Ms, and authorization-package documentation necessary to support and maintain the GSAFleet.gov ATO.
- Review application, infrastructure, data, and interface changes for security and privacy impact.
- Support security incidents, audits, continuous monitoring, and ATO maintenance; advise teams on corrective actions.
- Respond to and coordinate resolution of information-security incidents, breaches, and other security events affecting GSAFleet.gov.
- Coordinate security deliverables and ensure vulnerabilities within the contractor scope are addressed.
- Other duties as assigned
- Bachelor’s Degree in a related field
- 10+ years of developing, implementing, and managing security controls for large-scale information systems
- Must be able to undergo a Tier 2S Investigation and receive a favorable investigation/adjudication outcome
- Successfully pass background and drug screening
- CISSP, CISM, or cloud-security credentials may be preferred
- Demonstrated experience managing FISMA compliance for large systems.
- Experience applying NIST Risk Management Framework requirements, processes, and procedures.
- Demonstrated experience operating in a Dev Sec Ops environment.
- Demonstrated experience leading or supporting enterprise-level cybersecurity efforts, including architecture, design, development, and configuration of cloud and on-premises systems and software.
- Experience implementing and maintaining security controls; providing security guidance, oversight, and expertise; and developing security documentation supporting an Authority to Operate.
- Demonstrated experience supporting system Assessment and Authorization activities
At Chenega MIOS, our professional development plan focuses on helping our team members at every level of their careers to identify and use their strengths to do their best work every day. From entry-level employees to senior leaders, we believe there’s always room to learn.
We offer opportunities to help sharpen skills in addition to hands-on experience in the global, fast-changing business world. From on-the-job learning experiences to formal development programs, our professionals have a variety of opportunities to continue to grow throughout their careers.
BenefitsAt Chenega MIOS, we know that great people make a great organization. We value our team members and offer them a broad range of benefits.
Learn more about what working at Chenega MIOS can mean for you.
Chenega MIOS’s cultureOur positive and supportive culture encourages our team members to do their best work every day. We celebrate individuals by recognizing their uniqueness and offering them the flexibility to make daily choices…
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