Systems Administrator, TS/SCI w/Poly

Program Overview

Provides IC data management support to modernize mega data repositories, dataflow management, data provenance and compliance validation, and streaming solutions.

About The Role

Mid-level Network / Desktop Administrator to support and maintain enterprise network and end-user computing infrastructure. This is a hybrid role combining hands-on switching and network support with desktop/endpoint administration. The ideal candidate is comfortable working across the stack — from configuring VLANs and port security on Cisco switches to imaging endpoints and troubleshooting Windows 10/11 clients — while delivering responsive, professional customer support to end users. This role balances infrastructure work with day-to-day operational support and requires someone who can work independently on routine tasks and escalate appropriately on complex issues.

• Configure, maintain, and troubleshoot Cisco switches running IOS-XE and NX-OS.
• Implement and manage port security, including MAC-based controls and violation remediation.
• Support enterprise network fundamentals: TCP/IP, subnetting, DHCP/DNS behavior, and Layer 2/Layer 3 troubleshooting.
• Support and help maintain VDI / thin-client infrastructure, including endpoint provisioning and connectivity troubleshooting.
• Perform endpoint imaging and deployment via PXE boot and associated deployment tooling.
• Administer Windows 10 and Windows 11 endpoints, including configuration, troubleshooting, and lifecycle support.
• Execute patch management and remediate vulnerabilities in response to IAVAs, ensuring systems remain compliant with security baselines and STIGs.
• Use CLI and administrative tooling — PuTTY, PowerShell, and Windows CMD — for configuration, diagnostics, and routine automation.
• Support STE/STN environment and associated operational procedures.
• Perform Active Directory tasks such as account and group management, OU navigation, and basic Group Policy awareness.
• Document configurations, procedures, and changes; follow existing standards and conventions.
• Provide high-quality customer service and end-user support, including ticket handling and clear communication with non-technical staff.
• Coordinate across teams on cross-functional dependencies.

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Qualifications

• Bachelors degree in a technical discipline and 10 years of system administration experience. Five years of additional experience may be substituted for a BS.
• An active TS/SCI w/Poly is required.
• 3–5 years of combined experience in network administration (mid-level) to include working knowledge of Cisco switches on IOS-XE and NX-OS platforms.
• Solid grasp of networking fundamentals: VLANs, subnetting, TCP/IP, DHCP, DNS, and switching concepts.
• Understanding port security concepts and remediation.
• 5+ years experience administering the customer’s classified VDI / thin-client desktop platform
• 5+ years experience Windows 10 and/or Windows 11 administration and troubleshooting.
• Hands-on experience with PXE-based imaging/deployment.
• Proficiency with PuTTY, PowerShell, and Windows command-line tools.
• Active Directory user/group administration experience.
• Understanding of patch management processes and vulnerability remediation (IAVA-driven).
• Strong customer service orientation and clear written/verbal communication.
• Experience with endpoint management platforms (SCCM/MECM, BigFix).
• Familiarity with security baselines and STIG compliance.
• Exposure to ticketing/ITSM systems JIRA.
• Basic firewall awareness and coordination experience (e.g., Cisco Firepower/ASA).
• Familiarity with remote administration tools.
• Understanding of structured cabling, patch panels, and physical connectivity.
• Basic scripting/automation for repetitive administrative tasks.

Required Certifications:

• CompTIA Security+

Preferred Certifications:

• Cisco CCST or CCNA

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

Details

Target Salary Range: $135,000 - $216,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual’s experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay.

Benefits Statement: Peraton offers eligible employees a variety of benefits including medical, dental, vision, life, health savings account, short/long term disability, EAP, parental leave, 401(k), paid time off (PTO) for vacation, and company paid holidays. A full listing of available benefits can be viewed at 

Application Statements: The application period for the job is estimated to be 30 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates. By applying to this job, you are expressing interest in the role and the Company. During the review of your application, you may be required to participate in an on-camera interview, as well as participate in a process to verify your identity.

EEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.