Secret - Information System Security Manager

An Insight Global client is seeking an Information Systems Security Manager to lead and support the security posture of enterprise and government-aligned information systems. This individual will be responsible for overseeing system security, ensuring continuous compliance with federal and DoD standards, and serving as a technical leader across networking, Linux-based environments, and security operations.
This role is both hands-on and strategic, with a strong emphasis on network security, compliance monitoring, and risk management. The previous individual in this role supported highly regulated environments, including federal programs, cloud infrastructure, and DoD-aligned systems, and this position will continue that same level of technical depth and compliance rigor.

Key Responsibilities

-Lead and manage the security of information systems, including network, server, cloud, and application environments
-Oversee and continuously monitor compliance with DoD, NIST, RMF, FISMA, and related federal security frameworks
-Serve as the primary point of contact for security audits, assessments, and authorization activities (A&A)
-Implement and maintain technical security controls, including STIGs, vulnerability management, and security monitoring
-Monitor and assess system security posture through log analysis, vulnerability scans, and compliance reporting
-Partner with infrastructure and networking teams to ensure secure network architecture and operations
-Manage and support Linux and Red Hat–based systems, including hardening, patching, and access control
-Provide guidance and leadership on incident response, risk mitigation, and remediation efforts
-Develop, maintain, and review security documentation, including SSPs, POA&Ms, SARs, and SOPs
-Act as a trusted security advisor to technical teams and leadership, recommending best practices and improvements
-Support cloud and hybrid environments with a strong focus on secure networking and access control

We are a company committed to creating diverse and inclusive environments where people can bring their full, authentic selves to work every day. We are an equal opportunity/affirmative action employer that believes everyone matters. Qualified candidates will receive consideration for employment regardless of their race, color, ethnicity, religion, sex (including pregnancy), sexual orientation, gender identity and expression, marital status, national origin, ancestry, genetic factors, age, disability, protected veteran status, military or uniformed service member status, or any other status or characteristic protected by applicable laws, regulations, and ordinances. If you need assistance and/or a reasonable accommodation due to a disability during the application or recruiting process, please send a request to HR@insightglobal.com.To learn more about how we collect, keep, and process your private information, please review Insight Global's Workforce Privacy Policy: https://insightglobal.com/workforce-privacy-policy/.

-Strong background in Information Systems Security Management
-Deep understanding of network security concepts and architectures
-Experience working in DoD or federal government–regulated environments
-Proven experience with compliance monitoring and continuous authorization
-Hands-on experience supporting Linux-based systems, including Red Hat environments
-Solid knowledge of NIST 800-series controls, RMF, FIPS, and DoD security requirements
-Experience coordinating and responding to security audits and assessments
-Strong communication skills with the ability to translate security requirements to technical and non-technical stakeholders

-Networking-focused certifications such as CCNA / CCNP
Red Hat or Linux certifications
-DoD background supporting mission-critical or regulated systems
-Security certifications such as CISSP or CISM
-Experience supporting cloud-based environments (AWS GovCloud or similar preferred)
-Familiarity with security automation, vulnerability scanning tools, and SIEM/log monitoring platforms

Benefit packages for this role will start on the 1st day of employment and include medical, dental, and vision insurance, as well as HSA, FSA, and DCFSA account options, and 401k retirement account access with employer matching. Employees in this role are also entitled to paid sick leave and/or other paid time off as provided by applicable law.