Information System Security Officer

1732 - Information System Security Officer (ISSO)

Sigma Defense · Grand Forks Air Force Base, United States · Full-time · Posted 2026-11-13

Salary: USD 110,000–115,000

Workplace: on_site

Department: SIS (SDSAFP, SDSAP)

Description

Sigma Defense is seeking an Information System Security Officer (ISSO) to join our team in Grand Forks AFB, ND and in Creech AFB, NV.

This position plays a key role in the development, assessment, and maintenance of cybersecurity architecture, cyber engineering artifacts, cybersecurity performance metrics, RMF authorization packages, and enclave-level cyber strategies supporting system certification requirements.

Equal Opportunity Employer/Veterans/Disabled: Sigma Defense Systems is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.

Requirements

• 3-5 years of relevant experience.
• Information assurance IA/Cyber Security or Risk Management Framework (RMF) experience.
• Demonstrated knowledge of Cyber Security Testing methods and processes.
• Cyber defense policy, processes and assessments.
• Must be a U.S. citizen.

Candidate Differentiators:

• Deep knowledge of Risk Management Framework (RMF).
• Experience achieving and maintaining Authority to Operate (ATO) packages.
• Strong understanding of Controlled Unclassified Information (CUI).
• A proactive approach to identifying security risks before they become a compliance issue.
• Success coordinating with ISSMs, system administrators, etc.
• Ability to translate complex cybersecurity requirements into practical guidance for system owners and users.

Preferred Certifications:

• Certified Information Systems Security Professional (CISSP)
• Certified Information Security Manager (CISM)
• Certified Information Systems Auditor (CISA)

Personnel Clearance Level:

• Candidate must possess an active Secret clearance with the ability to obtain a TS/SCI.
• Clearance may be sponsored for the right candidate.

Education Requirements:

• Bachelor's degree from an accredited college or university in Cyber Security, Computer Science, Information Technology, Information Systems, or related field of study.
• Degree may be substituted for 10+ years of information assurance or Risk Management Framework (RMF) experience.

Essential Job Duties (not all-inclusive):

• Provide advanced technical and analytical cybersecurity support across the full spectrum.
• The specialist ensures the protection, resilience, and compliance of combat systems, networks, and information systems in accordance with DoW, cybersecurity policies, standards, and processes.
• Support full acquisition lifecycle activities, including systems under development, systems in production, and fielded systems undergoing upgrades.
• Provide engineering expertise, risk and vulnerability assessments, STIG execution, cybersecurity test strategy support, and technical leadership in virtualized cyber test environments supporting Integrated Combat Systems (ICS).

Salary Range: $110,000 - $115,000 annually.

Benefits

• Dental and Vision Insurance
• Medical Insurance to Include HSA, FSA, and DFSA Plans
• Life and AD&D coverage
• Employee Assistance Program (EAP)
• 401(k) Plan with Company Matching Contributions
• 160 Hours of Paid Time Off (PTO)
• 12 (Floating) Holidays
• Educational Assistance
• Highly Competitive Salary

Apply

Apply at Sigma Defense

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