TRISTAR · 23 hours ago
Information System Security Manager
Bloomington, IN
Full-time
Onsite
Mid, Senior Level
3+ years expTRISTAR is an SBA certified Service-Disabled Veteran-Owned professional services company supporting the U.S. Department of Defense programs. They are seeking an Information System Security Manager responsible for managing the cybersecurity and information assurance posture of Information Systems, ensuring compliance with various security requirements and serving as the point of contact for security matters regarding classified systems.
AerospaceCyber SecurityInformation TechnologyProject Management
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Manage security operations for classified IS in accordance with NIST, NISPOM, DoD, and customer IS requirements supporting classified systems
Obtaining system accreditation/authorization for classified systems
Develop, maintain, and approve Systems Security Plans (SSPs) and POA&Ms
Oversee system authorization activities including ATO packages, security assessments, and audits
Coordinate with the Defense Counterintelligence Security Agency (DCSA), government customers, and Authorizing Officials regarding MFR/MOU requirements
Provide cybersecurity training for TRISTAR employees, subcontractors, and government customers
Qualification
Required
Prior experience as an ISSM or ISSO
Familiarity with classified networks and secure system architectures
A strong understanding of NIST, NISPOM, RMF, and DoD IS requirements
Excellent analytical, documentation, and communication skills
Ability to work both independently and collaboratively within multidisciplinary teams
Ability to obtain and maintain a government security clearance
Must be a US Citizen
AS or BS with 3-5 years of experience in Cybersecurity, Information Assurance, or related field
CompTIA Security+ certification
Company
TRISTAR
TRISTAR is a defense contracting company that offers information technology, sensor systems, and program management solutions.
201-500 employees
Funding
Current Stage
Growth StageLeadership Team
Christina M. Agresti
Chief Operations Officer/Partner
Recent News
2025-11-12
2025-11-11
2025-08-14
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