Information System Security Officer (ISSO)

Description MBL Technologies, Inc. offers a diverse set of management and technology consulting services to Federal government and commercial markets. Our solutions are tailored to support each client’s mission, accounting for their unique needs and operating environments to ensure success. We bring the right people, capabilities, and expertise together to assist our clients with enabling their mission. Together our individual differences drive successful business results. If you are transitioning from military to civilian life, have prior service, are a retired veteran, or a member of the National Guard or Reserves, or spouse of an active military service member, we encourage you to apply. Please visit our webpage for information on our policies and benefits for the military and veteran community. Why Work with Us? Make an Impact: Work on meaningful projects that support critical missions and drive innovation. Invest in Your Future: Competitive benefits, 401(k) match, and professional development opportunities. Be Part of Something Bigger: Join a collaborative team that values community engagement, volunteerism, and employee connection. MBL Technologies is seeking an Information System Security Officer (ISSO) to support the day-to-day cybersecurity posture of assigned information systems. The ISSO will maintain Risk Management Framework (RMF) documentation, support continuous monitoring activities, track vulnerabilities and remediation efforts, manage Plans of Action and Milestones (POA&Ms), and help ensure systems remain compliant with Department of Defense (DoD) and National Institute of Standards and Technology (NIST) cybersecurity requirements. This role works closely with system owners, administrators, engineers, cybersecurity personnel, and other stakeholders to maintain system security and support ongoing authorization and compliance activities. Work Location: Hybrid — Onsite 3–5 days per week in Crystal City, Virginia Security Clearance: Active Secret Security Clearance Key Responsibilities: Maintain and update System Security Plans (SSPs) and related RMF documentation and artifacts. Support continuous monitoring activities, including control reviews, security checks, log reviews, and security status tracking. Create, update, and track POA&Ms for identified vulnerabilities, weaknesses, and remediation activities. Review vulnerability scan results and validate DISA Security Technical Implementation Guide (STIG) compliance findings. Support RMF activities, including security categorization, control implementation, assessment, authorization, and continuous monitoring. Maintain system security records in eMASS and support security authorization package updates. Support vulnerability management, remediation tracking, and audit evidence collection. Coordinate incident response activities for assigned information systems. Partner with system owners, administrators, engineers, and Information System Security Managers (ISSMs) to identify and resolve security and compliance issues. Provide clear documentation and status reporting related to cybersecurity risks, findings, and remediation efforts. Required Experience Skills & Qualifications: Bachelor’s degree in Cybersecurity, Information Technology, Computer Science, or a related field preferred. Relevant DoD 8140-aligned cybersecurity certification, such as CISSP, Security+, or another certification appropriate to the position. 5+ years of experience in cybersecurity, information assurance, or information system security. Working knowledge of NIST SP 800-53, DoD RMF, and DoD cybersecurity compliance requirements. Experience developing or maintaining SSPs, POA&Ms, RMF documentation, vulnerability management records, and audit evidence. Familiarity with eMASS, ACAS/Tenable, STIG Viewer, and related security and compliance tools. Strong documentation, analytical, organizational, and issue-tracking skills. Ability to communicate and collaborate effectively with both technical and non-technical stakeholders. Experience supporting cybersecurity compliance within DoD or other federal environments. Ability to operate effectively in a fast-paced, compliance-driven environment. Strong judgment in evaluating cybersecurity risk while balancing operational and mission requirements. Demonstrated ability to build effective working relationships with technical teams, system owners, and leadership. Detail-oriented approach to RMF documentation, authorization activities, and continuous monitoring. Active Secret Security Clearance. MILITARY OCCUPATIONAL SPECIALTY CODES (MOS codes): 170A, 170D, 17A, 17B, 17C, 17D, 24B, 25B, 47D, 94F, IT, 17 5309, 6203, 9735, 9740, 9890, 9891 CORPORATE CITIZEN: MBL Technologies’ vision is to make a positive difference – for our people, our customers, and our communities. As such, a commitment to service and excellence has been woven into the very fabric of our culture. MBL employees demonstrate a willingness to consistently go above and beyond and strive for excellence in all we do – championing, protecting, and celebrating the core business through the mission, vision, and values. All are expected to be good corporate citizens, supporting one another and internal corporate initiatives to build a stable business platform and ensure lasting company success. Benefits: MBL Technologies offers a competitive salary adjusted for candidate qualifications partnered with an industry-leading benefits package. This package includes incentive plans with corporate and individual-based performance bonuses, 401K, PTO, remote work, health and wellness programs, employee discounts, and learning and development reimbursement. EEO STATEMENT: MBL Technologies is an Equal Opportunity Employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability, or protected veteran status.