Systems Engineer

Peraton is seeking an experienced Infrastructure Systems Engineer to support a secure enterprise environment within a high-visibility classified IT program. This role involves engineering and maintaining Microsoft-based systems, virtualized environments, VDI infrastructure, and critical network services in a hybrid cloud and on-prem datacenter ecosystem.

This position requires a strong technical foundation in server administration, virtualization technologies, RMF compliance, and cyber-hardening standards such as STIGs. You will work alongside cross-functional IT and cybersecurity teams to ensure high availability, performance, and security of enterprise systems supporting national defense missions.

Key Responsibilities:

• Engineer, install, and optimize Microsoft server operating systems in a secure enterprise environment.

• Provision, manage, and maintain virtualized environments and virtual machines (VMs).

• Support and configure VDI infrastructure, ensuring user accessibility and system efficiency.

• Administer core network services, including DNS and DHCP.

• Develop, apply, and troubleshoot Group Policies (GPOs) to enforce system configurations.

• Perform daily system monitoring, including log reviews, scheduled job verifications (e.g., backups), and system health checks.

• Collaborate with IT teams on implementation, change coordination, and security control management.

• Support Microsoft SQL Server administration and optimization.

• Apply and review Security Technical Implementation Guides (STIGs) and support documentation.

• Create and maintain RMF-compliant security documentation and policy procedures.

• Design and implement cybersecurity controls to protect systems from threats and vulnerabilities.

Required Qualifications:

• Education & Experience:

  • BS with 8 years, MS with 6 years, PhD with 3 years, OR

  • Additional 4+ years of experience may be substituted in lieu of a degree

• Security Clearance:

  • TS/SCI clearance adjudication or ability to obtain SCI

• Certifications:

  • Must possess a current DoD 8570.1-M/8140 IAT or IAM Level III certification (e.g., CASP+, CISSP, CCSP)

• Technical Skills & Experience:

  • Background in infrastructure/datacenter engineering across physical and virtual platforms

  • Experience supporting one or more OS platforms: Windows, Linux, Solaris, UNIX, or AIX

  • Proficiency in virtualization and cloud technologies, such as:

    • VMware vCloud Enterprise Suite

    • Hybrid cloud integrations with DoD or GovCloud environments

  • Familiarity with engineering disciplines such as:

    • Storage Engineering (HPE SAN)

    • Network Engineering (Cisco LAN/WAN, SDN)

    • Cloud Infrastructure Engineering

Desired Qualifications:

• Professional-level certifications in Linux, VMware, Networking, Storage, or Cloud platforms

• ITIL v4 Foundation Certification

• Experience working in classified or DoD environments and applying RMF/NIST guidelines

Peraton offers enhanced benefits to employees working on this critical National Security program, which includes heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap and eligible to participate in an attractive bonus plan.

Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can’t be done by solving the most daunting challenges facing our customers. Visit peraton.com to learn how we’re keeping people around the world safe and secure.