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Senior Information Systems Security Officer (ISSO)

SOS International LLC (SOSi)
Harbor, HI Full Time
POSTED ON 12/12/2025 CLOSED ON 12/17/2025

What are the responsibilities and job description for the Senior Information Systems Security Officer (ISSO) position at SOS International LLC (SOSi)?

Job Details

Company Description

Founded in 1989, SOSi is among the largest private, founder-owned technology and services integrators in the defense and government services industry. We deliver tailored solutions, tested leadership, and trusted results to enable national security missions worldwide.

Job Description

Join SOSi and Shape the Future of Secure Networks in the Pacific!

SOSi is seeking a Secret-cleared Senior Information Systems Security Officer (ISSO) to join our elite team at Hickam AFB, Hawaii. We design and deliver secure, resilient, and innovative network infrastructures that power USINDOPACOM's mission and connect 5,000 customers across the Pacific theater.

As part of our team, you'll tackle complex cybersecurity challenges, architect unique solutions, and help deploy a private cloud platform that empowers the warfighter. If you're ready to make an impact with cutting-edge technology and ensure the health and security of enterprise systems spanning hundreds of embedded devices, this is your opportunity to lead from the front.

Principal Duties:
  • Assist the ISSM in developing and maintaining a formal information system (IS) security program and policies for their assigned area of responsibility.
  • Provide technical and procedural IS Security advice to engineering team and senior management regarding the RMF process.
  • Establish and maintain computer systems and networks for classified processing, responsible for administration, maintenance, and security auditing.
  • Develop and oversee operational information systems security implementation policy and guidelines.
  • Maintain a repository using eMASS with all security authorizations for IS under their purview.
  • Coordinate IS security inspections, tests, and reviews.
  • Ensure proper measures are taken when an IS incident or vulnerability is discovered.
  • Ensure development and implementation of an effective IS security education, training, and awareness program.
  • Ensure Configuration Management policies and procedures for authorizing the use of hardware/software on an IS are followed. Any additions, changes or modifications to hardware, software, or firmware must be coordinated with the appropriate AO prior to the addition, change or modification.
  • Maintain a working knowledge of system functions, security policies, technical security safeguards, and operational security measures.
  • Manage, maintain, and execute the information security continuous monitoring plan.
  • Ensure records are maintained of all security-related vulnerabilities and ensure serious or unresolved violations are reported to the AO/DAO.
  • Assess changes to the system, its environment, and operational needs that could affect the security authorization.


Qualifications

Minimum Requirements
  • Active Secret DoD security 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).
  • Knowledge of NSA's Commercial Solution for Classified (CSfC) solution and Cross Domain Solutions (CDS).
  • 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
  • Master's degree in Information Technology or related discipline
  • Recent experience supporting system authorizations.


Additional Information

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.
  • Target Salary Range: $110,556 to $136,257.

Working at SOSi:

All interested individuals will receive consideration and will not be discriminated against for any reason.
Employers have access to artificial intelligence language tools (“AI”) that help generate and enhance job descriptions and AI may have been used to create this description. The position description has been reviewed for accuracy and Dice believes it to correctly reflect the job opportunity.

Salary : $110,556 - $136,257

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