Information Systems Security Manager (ISSM) with Security Clearance

Description Why Sabel Systems Sabel Systems designs and delivers digital engineering ecosystems for DoD programs, enabling teams to connect data, systems, and personnel within secure, scalable environments. Our solutions empower programs to make faster decisions, close sustainment gaps, and meet the digital acquisition requirements. Rather than simply proposing transformation, we implement and operate it at scale. Our method is clear: we orchestrate existing tools into a governing system of record, ensuring government ownership of infrastructure and traceable decisions. There's no vendor lock, no proprietary baselines, and no need for ATO rebuilds during transitions. Sabel Systems is redefining modern defense acquisition. If you seek to solve complex challenges at scale and want your work to directly accelerate military capability while reshaping the DoD's approach to digital engineering, this is the place for you. Complexity Simplified. Mission Amplified. What You'll Do • Cyber Risk Assessments and Implement security protocols • Provide in-person and/or remote/hybrid technical security engineering solutions to meet customer's cybersecurity requirements • Participate in change control boards as a voting member and Evaluate security impacts with design changes • Validate software integrity and acquisition • Develop appropriate policy in accordance with DoD regulations and industry best practices • Oversee security tool efficacy as dictated by the customer (i.e. ACAS, ESS, STIG, SIEM, Back-up/Restoral, ICAM) • Conduct vulnerability scans on a weekly basis in accordance with DAF TASKORDS and DoD regulations • Stay updated with the latest DoD regulations, emerging cybersecurity trends • Develop and implement custom detection techniques to identify new and emerging threats • Report findings to stakeholders and assist in the creation of actionable security recommendations • Collaborate with SOC analysts and incident response teams to investigate, remediate, and escalate security incidents • On-call and/or evening or weekend hours may be required, as needed, for emergent issues • SCA and ATO engagement and eMass package creation and management • Up to 10% domestic travel could be required Tools Used • RMF / GRC tools (eMASS or equivalent) • Vulnerability scanning tools • GitLab, ACAS Security Center, Jira, etc. • Secure documentation repositories Qualifications What You Bring Required • U.S Citizen; with a DoW Top Secret clearance and SCI eligibility • Bachelor's degree in Cybersecurity, Engineering, or related field • 10+ years' experience in cybersecurity with a heavy focus on RMF • 7+ years Systems Administration experience • IAM level 3 certified • Hands-on ATO experience in DoW • Government cloud and technical cloud security experience • Strong communication and documentation skills • Strong analytical and organizational skills • Process improvement skills • Ability to manage multiple products concurrently • Professionalism, integrity, and ownership • Ability to work remotely and the ability to access classified workspaces via a gov facility or CSFC devices • Ability to travel, up to 10% Preferred • Strong skills writing policies and procedures • Experience working with AO offices on RMF steps for ATOs, SRCs, etc. • Experience with data tagging implementation • Certifications such as CISSP, CISM, CAP, and ITIL or Project+ Our Core Values * Bias for Action: Decisive. Purposeful. Agile. We move with the speed of relevance to drive impact and progress. * Integrity: Respect. Ethics. Transparency. We do what's right and earn lasting trust. * Delivery Excellence: Customer-obsessed. Mission-focused. Quality-driven. We deliver innovative outcomes that exceed expectations. Our EVP Promise Join Sabel Systems, where your contributions drive impact, your growth is continuously supported, and your well-being is at the center of how we work. Together we can build the future with purpose. Rewarding Impact. Building Futures Together. Compensation Compensation will be determined in partnership with the Hiring Manager and may vary based on factors such as contract and labor category alignment, relevant experience, skills, education, certifications or licenses, and geographic location. Sabel Systems is committed to offering all employees a competitive benefits and compensation package that is comprehensive enough to meet their goals and needs. Our employees are our most valuable asset, and one of Sabel Systems largest financial investments is our benefits program. As a valued member of the organization, employees are provided with a host of benefits to include healthcare; financial assistance in the event of illness, injury, disability, loss of work, or death; health savings accounts; retirement plans; paid time off; paid holidays; education and training program reimbursement, to name a few. Equal Employment Opportunity Sabel Systems is an equal opportunity employer. Our hiring decisions are based solely on qualifications, merit, and business need. We prohibit discrimination and harassment of any kind across all employment practices within our organization. Sabel Systems participates in the E-Verify Employment Verification Program. Reasonable Accommodation Sabel Systems is committed to providing equal employment opportunities and ensuring an accessible application process for all candidates. Applicants with disabilities who require reasonable accommodation to participate in the application or interview process are encouraged to contact us at for assistance.