Information Technology Jobs 2026 (Now Hiring) – Smart Auto Apply

STR is seeking an Information Systems Security Manager (ISSM) with active Top Secret clearance to support the cybersecurity posture of our classified programs. In this role, you will play a vital part in protecting critical national security technologies while collaborating with government partners, engineers, and cybersecurity professionals across the organization.

This position is ideal for someone who enjoys blending technical cybersecurity expertise with program leadership, and who thrives in a collaborative, innovative, and mission-driven environment.

As an ISSM at STR, you will work directly with the government cognizant security agency (CSA) and internal technical teams to ensure our classified systems meet the highest standards of cybersecurity compliance and operational security. You will guide programs through the Risk Management Framework (RMF) lifecycle and help shape the design, maintenance, and monitoring of secure systems.

Please note…this is not a remote role and requires you to be onsite.

What You’ll Do

Lead cybersecurity compliance for classified programs

• Manage the cybersecurity posture of classified information systems in accordance with U.S. Government requirements including the Joint Special Access Implementation Guide (JSIG), Intelligence Community Directive (ICD) 503, and DCSA Assessment and Authorization Guide (DAAG)
• Serve as the primary cybersecurity point of contact for assigned program networks, collaborating with government customers and internal teams

Support RMF and Assessment & Authorization activities

• Lead Assessment & Authorization (A&A) efforts including certification testing of security controls
• Develop and maintain security documentation such as System Security Plans (SSPs), Risk Assessment Reports (RARs), Standard Operating Procedures (SOPs), and Security Controls Traceability Matrix (SCTM)
• Manage Continuous Monitoring (ConMon) activities and Plan of Action and Milestone (POA&M) tracking

Maintain and strengthen security posture

• Conduct periodic system inspections and audits to verify compliance with approved security configurations
• Apply deep knowledge of NIST 800-53 controls to ensure accredited networks remain compliant
• Support hardware/software change management, account management, media protection, and data transfers within accredited environments

Collaborate across security and engineering teams

• Work closely with Information System Security Officers (ISSOs), Information System Security Engineers (ISSEs), System Administrators, Facility Security Officer (FSO), and Contractor Special Security Officer (CSSO) to implement and maintain information systems security posture
• Partner with Program Managers and Engineers to define and implement network requirements for new programs
• Assist the FSO, CPSO, and incident response teams on security events and data spill response

Drive continuous improvement

• Contribute to improving cybersecurity processes and security practices across programs
• Demonstrate a can-do attitude and provide innovative, compliant solutions through creative analysis

What You Bring

Security Clearance

• Active Top Secret security clearance with the ability to obtain SAP and SCI access (U.S. citizenship required)

Certification

• DoD 8140/8570 IAM Level III certification (CISM, CISSP, etc.)

Experience

• 2-4 years as an ISSM implementing JSIG, DAAG, and/or ICD 503 IS requirements.
• Previous security experience in a SAP/SCI environment
• Experience with configuration, certification, and auditing/analysis of Windows/Linux operating systems in Peer-to-Peer, LAN, and WAN network environments

Skills and Knowledge

• Familiarity with vulnerability, compliance, and audit tools (Nessus, SCAP, Splunk, etc.)
• Understanding of authorization/accreditation databases (eMASS, Xacta, SNOW, etc.)
• Excellent communication skills
• Strong customer service skills

• Strong analytical and problem-solving abilities
• Detail-oriented and self-motivated
• Able to prioritize multiple initiatives in a fast-paced environment

• Ability to work well in a team environment and adapt to changing project priorities

Full-Time Salary Range: $145,000 - $185,000

The salary range listed is based on external market data. Offers are based on factors, such as but not limited to, the candidate’s experience, education, training, key skills/critical skills, security clearances, and prevailing market and business conditions.

STR is a growing technology company with locations near Boston, MA, Arlington, VA, near Dayton, OH, Melbourne, FL, and Carlsbad, CA. We specialize in advanced research and development for defense, intelligence, and national security in: cyber; next generation sensors, radar, sonar, communications, and electronic warfare; and artificial intelligence algorithms and analytics to make sense of the complexity that is exploding around us.

STR is committed to creating a collaborative learning environment that supports deep technical understanding and recognizes the contributions and achievements of all team members. Our work is challenging, and we go home at night knowing that we pushed the envelope of technology and made the world safer.

STR is not just any company. Our people, culture, and attitude along with their unique set of skills, experiences, and perspectives put us on a trajectory to change the world. We can't do it alone, though - we need fellow trailblazers. If you are one, join our team and help to keep our society safe! Visit us at www.str.us for more info.

STR is an equal opportunity employer. We are fully dedicated to hiring the most qualified candidate regardless of race, color, religion, sex (including gender identity, sexual orientation and pregnancy), marital status, national origin, age, veteran status, disability, genetic information or any other characteristic protected by federal, state or local laws.

If you need a reasonable accommodation for any portion of the employment process, email us at appassist@str.us and provide your contact info.

Pursuant to applicable federal law and regulations, positions at STR require employees to obtain national security clearances and satisfy the requirements for compliance with export control and other applicable laws.