Secret Cyber Infrastructure Engineer

Insight Global is seeking a highly skilled Cyber Infrastructure Engineer to join our Carlsbad, CA team. This role requires proven expertise across Ubuntu, Red Hat, and Windows environments, enterprise networking (Cisco, Juniper), and hands-on experience supporting classified and air-gapped systems. The engineer will design, implement, and secure infrastructure aligned with DoD Collateral requirements, DISA STIGs, NIST RMF, and FIPS compliance standards while enabling mission-critical operations.

Essential Functions
· Engineer and administer Linux (Ubuntu/Red Hat) and Windows Server environments.
· Configure and manage Cisco and Juniper networking equipment in classified/air-gapped networks to meet 32 CFR Part 117 - National Industrial Security Program Operating Manual (NISPOM), Defense Security Service Assessment and Authorization Process Manual (DAAPM), Joint Special Access Program (SAP) Implementation Guide (JSIG), National Institute of Standards and Technology (NIST) standards, and Command Cyber Readiness Inspection (CCRI) requirements.
· Deploy and optimize VMware ESXi, including bare metal to virtualization migrations.
· Manage and maintain NetApp storage solutions for classified data environments.
· Implement and support Splunk for logging, monitoring, and compliance reporting.
· Review electronic and manual audit logs and investigate any anomalies or security incidents.
· Conduct Nessus vulnerability scans, apply DISA STIGs, and validate FIPS compliance.
· Configure and utilize Ivanti for endpoint management, patch automation, and compliance enforcement.
· Support NIST RMF accreditation activities including documentation, control validation, and audits.
· Provide Tier III support for escalated issues and lead troubleshooting efforts.
· Coordinate with the Information System Security Manager (ISSM) and Facility Security Officer (FSO) on system security compliance.
· A current and active Secret security clearance with the ability to obtain a Top-Secret security clearance post-hire is required

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/.

· Bachelor's degree in Computer Science, Information Systems, or a related field, or equivalent experience and a minimum of 4 years of experience in IT systems administration with a focus on security.
· Active Secret clearance is required.
· Experience with Risk Management Framework (RMF) and security compliance.
· Strong knowledge of Linux operating systems and associated hardware platforms.
· Excellent problem-solving skills and the ability to work under pressure.
· Strong communication and documentation skills.
· Strong understanding of network infrastructure and protocols.
· Experience with virtualization technologies and containerization.
· Familiarity with the Risk Management Framework and its application in securing IT systems.
· Effective communication skills, both written and verbal.
Ability to work independently as well as collaboratively in a team environment.

· Previous experience with RMF as Information Systems Security Manager (ISSM) or Information Systems Security Officer (ISSO)
· Experience with tools such as ACAS (Nessus), STIGViewer, SCAP, and Splunk.
· Experience as a Linux System Administrator
· Experience with NISPOM, DAAPM, JSIG, ICD
· Network+, CCNA, CISSP, RHCSA Certifications
· 6 years direct and relevant experience with Information Security and Cyber Intelligence.
· Experience in a Department of Defense (DoD) environment.
· 2 years direct experience with Risk Management Framework (RMF)
8570\8140 IAM Level 1, or higher, compliant certification (Security+)

Benefit packages for this role will start on the 31st 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.