Information System Security Officer

SOSi; Joint Base Pearl Harbor-Hickam (HI); On-site; USD 100,000 - 140,000; Full time

Job summary

SOSI is hiring an Information Systems Security Officer (ISSO) to secure mission-critical IT operations at Joint Base Pearl Harbor Hickam, Honolulu. You will own the RMF lifecycle, assess vulnerabilities, and implement resilient controls across systems used by 5,000+ users in the Pacific theater.

Ideal candidates have an active SECRET clearance, DoD protocol fluency, and experience in security audits, reporting to leadership with clear, executive-level insights.

Qualifications

• Active SECRET clearance
• Bachelor’s degree in a related field with 4+ years of related experience
• DoD 8570 IAT-II compliant (Security+ CE, CCNA, CND, CySA+, GICSP, GSEC, or SSCP)
• Familiarity with NIST 800-53r5, RMF, EO 14028, and M-22-09
• Experience with eMASS
• Strong communication and cross-functional coordination skills

Responsibilities

• Assist the ISSM in formulating a security program and policies for the assigned area
• Maintain secure systems for classified processing and handle administration and security auditing
• Develop and supervise guidelines for information systems security
• Manage eMASS packages with security authorizations
• Coordinate inspections, tests, and reviews of information system security
• Contribute expertise to security incident response and asset protection
• Apply ACAS to support patch and vulnerability management
• Ensure STIG reviews and quarterly updates
• Enforce Configuration Management for hardware/software use
• Coordinate external interconnections and approvals
• Maintain knowledge of system functions and security measures
• Manage information security continuous monitoring plan
• Record and report vulnerabilities and POA&Ms to AO/DAO
• Evaluate changes impacting security authorization

Skills

Strong communication

Coordination across teams

RMF knowledge

Education

Bachelor's degree in a related field

Tools

JIRA

Confluence

Nessus

SCAP

Job description

Company Description

Founded in 1989 and headquartered in Reston, Virginia, SOSi is a private defense and government solutions business specializing in advanced technology systems and mission support. Its capabilities include data science, software development, network engineering, intelligence, surveillance, and reconnaissance (ISR), and logistics.

Join the Cyber Team in Paradise

SOSi is looking for a seasoned Information Systems Security Officer (ISSO) ready to lead the charge in securing mission-critical IT operations at Joint Base Pearl Harbor Hickam, Honolulu. As part of a dynamic team supporting over 5,000 users across the Pacific theater, you’ll be at the forefront of solving complex technical challenges that drive real-time Command and Control (C2) strategies.

This isn’t just a job — it’s a mission. You’ll own the full Risk Management Framework (RMF) lifecycle, from identifying vulnerabilities to engineering resilient security controls. If you're fluent in DoD protocols, thrive in high-stakes environments, and can deliver executive-level insights with clarity and precision, this is your opportunity to make a strategic impact where it matters most.

Essential Job Duties

• Assist the ISSM (Information System Security Manager) in formulating and upholding an organized information system security program and policies that are applicable to their assigned area of responsibility.
• Establish and maintain secure computer systems and networks for classified processing, and take responsibility for the administration, maintenance, and security auditing of such systems.
• Develop and supervise the implementation of guidelines and policies for operational information systems security.
• Manage assigned eMASS (Enterprise Mission Assurance Support Service) packages containing all security authorizations for information systems under their supervision.
• Coordinate inspections, tests, and reviews of information system security.
• As a key member of the team, you will be responsible for contributing your expertise and skills to help ensure the team's success in responding to security incidents and protecting organizational assets.
• Practical understanding of the Assured Compliance Assessment Solution (ACAS) to support the execution of the information system patch and vulnerability management program.
• Thorough understanding of Security Technical Implementation Guidelines (STIG) and ensure they are reviewed, maintained, and updated on a quarterly basis.
• Ensure compliance with Configuration Management policies and procedures for authorizing the use of hardware and software on an information system.
• Engage with external stakeholders to facilitate the coordination of interconnection requests and ensure that such requests are processed and approved in an efficient manner.
• Maintain current knowledge of system functions, security policies, technical security safeguards, and operational security measures.
• Manage, maintain, and execute the information security continuous monitoring plan.
• Keep records of all security-related vulnerabilities POA&M(s) and ensure that serious or unresolved violations are reported to the AO/DAO.
• Evaluate any changes to the system, its environment, and operational requirements that could impact security authorization.

Minimum Requirements

• An Active in-scope SECRET clearance.
• Bachelor’s degree in a related field plus 4 years of related experience.
• DoD 8570 IAT-II compliant (Security+ CE, CCNA, CND, CySA+, GICSP, GSEC, or SSCP).
• Thorough understanding of NIST Publication 800-53r5, Risk Management Framework, Executive Order 14028, and OMB Mandate M-22-09.
• Prior experience with eMASS.
• Strong communication skills and ability to coordinate tasks across functional groups.

Preferred Qualifications

• An Active in-scope TOP SECRET clearance with SCI Eligibility.
• Knowledge of NSA’s Commercial Solution for Classified (CSfC) solution and Cross Domain Solutions (CDS).
• Experience in an agile work environment
• Recent experience in the assessment and authorization of systems.
• Practical knowledge of JIRA and Confluence.
• Experience with compliance tools such as Tenable Nessus and SCAP.
• Experience in program policy and process creation and oversight.

Work Environment

• Working conditions are normal for an office environment.
• Fast paced, deadline-oriented environment.
• May require periods of non-traditional working hours including consecutive nights or weekends.

Working at SOSi

All interested individuals will receive consideration and will not be discriminated against for any reason.