Information Systems Security Engineer Jobs

STR

Location:
United States, Woburn

Category:
IT - Administration

Contract Type:
Not provided

Salary:

136000.00 - 170000.00 USD / Year

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Job Description:

STR has an exciting opportunity for a well-rounded cybersecurity professional to join our Cybersecurity/Risk Management Framework (RMF) program as a key contributor for classified programs. In this dynamic position, you will interface and collaborate with other Cybersecurity professionals (ISSMs, ISSOs), Security professionals (CPSOs, FSOs), and System Administrators from our Classified Information Technology (CIT) organization. Your responsibilities will include ensuring overall compliance, managing configuration changes, supporting security architecture, and staying abreast of current and future technologies.

Job Responsibility:

Conduct both vulnerability and compliance scans of Information Systems
Support the development of Risk Management Framework (RMF) documentation and control validation testing for Authority to Operate (ATO) accreditations
Develop cybersecurity requirements, design, and architecture for current and emerging program needs
Implement Information Assurance and Information Security protections and requirements in program development and execution environments
Apply required security controls to networking devices, databases, operating systems, and hardware/software components
Assist ISSMs and ISSOs in monitoring and resolving Plan of Action and Milestones (POA&M) to mitigate system vulnerabilities
Conduct reviews and technical inspections to identify and mitigate potential security weaknesses, ensuring all security features are implemented and functional
Support the completion of Continuous Monitoring requirements in accordance with RMF and NIST SP800-53 standards
Perform other tasks as assigned by the manager

Requirements:

Active Top Secret security clearance with the ability to obtain SAP and SCI access (U.S. citizenship required)
3-5 years of technical (hands-on) experience in Information Assurance/Cyber Engineering, including requirements development and implementation
DoD 8570 IAM Level III certification (CISA, CISM, CISSP, etc.) or the ability to obtain within 6 months of hire
Knowledge of the DCSA Authorization and Assessment Process Manual (DAAPM) and the Joint Special Access Implementation Guide (JSIG)
Configuration, certification, and auditing/analysis of Windows/Linux operating systems and system virtualization in peer-to-peer, LAN & WAN networks
Managing and implementing DISA STIGs and benchmarks in various operating systems (Windows, RHEL, Ubuntu)
Using IA vulnerability/compliance scanning tools (e.g., NMap, ACAS, Nessus, Security Content Automation Protocol (SCAP))
Maintaining/managing Security Incident and Event Management (SIEM) and centralized auditing tools (e.g., Splunk, PowerStrux)
Familiarity with Microsoft Deployment Toolkit (MDT)
Supporting the hardening of new builds of Information Systems (IS) and ensuring full functionality before deployment
Scripting in Windows and/or Linux
Using McAfee/Trellix ePO, including familiarity with DLP components
Experience in one or more of following technical areas Artificial Intelligence, DevSecOps, Cloud or Containerization
Experience with NIST SP800-53 technical control implementation and assessment
Excellent communication skills, detail-oriented, self-starter with a focus on understanding STR CCS and CIT processes and procedures
A desire for continuous improvement while working in a team environment and the ability to handle multiple fast-changing priorities/projects effectively

Additional Information:

Job Posted:
December 12, 2025

Employment Type:

Fulltime

Work Type:

On-site work

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Information Systems Security Engineer

STR

Location:United States, Woburn

Category:IT - Administration

Contract Type:Not provided