Job description

Required qualifications • Minimum of 6+ years of experience and a BS in computer science, IT, or related technical discipline, MS and 4+ years of experience, or a Ph.D. Four years of additional experience may be used in lieu of a Bachelor’s degree for a total of 10 years of experience • Strong hands-on experience administering Linux servers in production (baseline builds, patching, hardening, troubleshooting) • Demonstrated ability to build and maintain automation using Ansible and/or Python/Bash • Working experience supporting SDN / Cisco ACI operations and troubleshooting in an enterprise or mission environment • Practical knowledge of networking fundamentals (TCP/IP, routing/switching operations, DNS/DHCP, firewalls/segmentation), virtualization and storage technologies, and security best practices • Ability to operate as a senior contributor on complex projects with integrated customer/subcontractor teams • This position requires an active/current TS/SCI w/ Polygraph Preferred qualifications • Experience supporting secure environments and compliance efforts (RMF, NIST-aligned controls, STIG/SRG implementation, SCAP tooling and remediation workflows) • Experience integrating GOTS/COTS/open-source solutions into governed environments • Experience building “compliance-as-code” style automation (continuous configuration validation, drift detection, audit artifact generation) • Strong communication skills and customer-facing experience in high-tempo operational environments • Experience leading or coordinating small technical efforts and directing subcontractor tasks Peraton Labs is seeking a poly-cleared Linux Systems Administrator who can own day-to-day administration and security posture of complex research infrastructure in classified and unclassified environments, while also bringing strong software-defined networking (SDN) capabilities and exceptional automation skills. You will work closely with Peraton team members, sub-contractors, as well as directly with our Maryland-based customer, in a fast-paced environment. This role supports mission-critical systems by implementing secure configurations, maintaining baseline images, troubleshooting infrastructure issues end-to-end (compute, network, and storage), and building repeatable automation to reduce toil and ensure compliance. This position requires full-time on-site work at a customer site near College Park, MD. Key responsibilities may include: • Administer and harden Linux and Windows server environments (installation, configuration, patching, performance tuning, account management, services, kernel/package management) • Maintain and enhance the security posture of research infrastructure systems in accordance with program security plans and operational requirements • Build, maintain, and update images/baselines for Linux systems; apply STIF-aligned secure configurations and document as required • Perform incident triage and troubleshooting across OS, services, network, and storage layers; drive issues to resolution and capture lessons learned/runbooks • Develop automation to standardize provisioning, configuration enforcement, and sustainment (e.g., Ansible, Bash, Python, PowerShell) • Install, configure, and troubleshoot IT and networking hardware/software in classified and unclassified spaces • Support virtualization and underlying platform operations (hypervisor administration, VM provisioning, capacity planning) • Implement/maintain storage solutions and data management practices; ensure reliable backup/restore operations aligned to program requirements • Perform hands-on physical tasks: rack/stack, cabling, power, patching ports, and coordinating activations as needed • Support and/or administer SDN/Cisco ACI fabrics: understanding tenants, VRFs, bridge domains, EPGs, contracts, L4-L7 service integration, and operational troubleshooting • Interface effectively with Peraton and customer stakeholders; communicate system status, risks, and recommended actions clearly • Coordinate and monitor subcontractor tasking as required; ensure deliverables meet technical and security expectations *This position may be eligible for an increased sign-on bonus. Eligibility, bonus amount, and applicable terms and conditions will be discussed during the recruiting process* #MDFSP #PLABS26 #CPMD26 Peraton Labs is seeking a poly-cleared Linux Systems Administrator who can own day-to-day administration and security posture of complex research infrastructure in classified and unclassified environments, while also bringing strong software-defined networking (SDN) capabilities and exceptional automation skills. You will work closely with Peraton team members, sub-contractors, as well as directly with our Maryland-based customer, in a fast-paced environment. This role supports mission-critical systems by implementing secure configurations, maintaining baseline images, troubleshooting infrastructure issues end-to-end (compute, network, and storage), and building repeatable automation to reduce toil and ensure compliance. This position requires full-time on-site work at a customer site near College Park, MD. Key responsibilities may include: • Administer and harden Linux and Windows server environments (installation, configuration, patching, performance tuning, account management, services, kernel/package management) • Maintain and enhance the security posture of research infrastructure systems in accordance with program security plans and operational requirements • Build, maintain, and update images/baselines for Linux systems; apply STIF-aligned secure configurations and document as required • Perform incident triage and troubleshooting across OS, services, network, and storage layers; drive issues to resolution and capture lessons learned/runbooks • Develop automation to standardize provisioning, configuration enforcement, and sustainment (e.g., Ansible, Bash, Python, PowerShell) • Install, configure, and troubleshoot IT and networking hardware/software in classified and unclassified spaces • Support virtualization and underlying platform operations (hypervisor administration, VM provisioning, capacity planning) • Implement/maintain storage solutions and data management practices; ensure reliable backup/restore operations aligned to program requirements • Perform hands-on physical tasks: rack/stack, cabling, power, patching ports, and coordinating activations as needed • Support and/or administer SDN/Cisco ACI fabrics: understanding tenants, VRFs, bridge domains, EPGs, contracts, L4-L7 service integration, and operational troubleshooting • Interface effectively with Peraton and customer stakeholders; communicate system status, risks, and recommended actions clearly • Coordinate and monitor subcontractor tasking as required; ensure deliverables meet technical and security expectations *This position may be eligible for an increased sign-on bonus. Eligibility, bonus amount, and applicable terms and conditions will be discussed during the recruiting process* #MDFSP #PLABS26 #CPMD26 Required qualifications • Minimum of 6+ years of experience and a BS in computer science, IT, or related technical discipline, MS and 4+ years of experience, or a Ph.D. Four years of additional experience may be used in lieu of a Bachelor’s degree for a total of 10 years of experience • Strong hands-on experience administering Linux servers in production (baseline builds, patching, hardening, troubleshooting) • Demonstrated ability to build and maintain automation using Ansible and/or Python/Bash • Working experience supporting SDN / Cisco ACI operations and troubleshooting in an enterprise or mission environment • Practical knowledge of networking fundamentals (TCP/IP, routing/switching operations, DNS/DHCP, firewalls/segmentation), virtualization and storage technologies, and security best practices • Ability to operate as a senior contributor on complex projects with integrated customer/subcontractor teams • This position requires an active/current TS/SCI w/ Polygraph Preferred qualifications • Experience supporting secure environments and compliance efforts (RMF, NIST-aligned controls, STIG/SRG implementation, SCAP tooling and remediation workflows) • Experience integrating GOTS/COTS/open-source solutions into governed environments • Experience building “compliance-as-code” style automation (continuous configuration validation, drift detection, audit artifact generation) • Strong communication skills and customer-facing experience in high-tempo operational environments • Experience leading or coordinating small technical efforts and directing subcontractor tasks

Requirements

Must-haves

Strong hands-on experience administering Linux servers in production (baseline builds, patching, hardening, troubleshooting)
Demonstrated ability to build and maintain automation using Ansible and/or Python/Bash
Working experience supporting SDN / Cisco ACI operations and troubleshooting in an enterprise or mission environment
Practical knowledge of networking fundamentals (TCP/IP, routing/switching operations, DNS/DHCP, firewalls/segmentation), virtualization and storage technologies, and security best practices
Ability to operate as a senior contributor on complex projects with integrated customer/subcontractor teams
This position requires an active/current TS/SCI w/ Polygraph
Administer and harden Linux and Windows server environments (installation, configuration, patching, performance tuning, account management, services, kernel/package management)
Maintain and enhance the security posture of research infrastructure systems in accordance with program security plans and operational requirements
Build, maintain, and update images/baselines for Linux systems; apply STIF-aligned secure configurations and document as required
Perform incident triage and troubleshooting across OS, services, network, and storage layers; drive issues to resolution and capture lessons learned/runbooks
Develop automation to standardize provisioning, configuration enforcement, and sustainment (e.g., Ansible, Bash, Python, PowerShell)
Install, configure, and troubleshoot IT and networking hardware/software in classified and unclassified spaces
Support virtualization and underlying platform operations (hypervisor administration, VM provisioning, capacity planning)

Nice-to-haves

Experience supporting secure environments and compliance efforts (RMF, NIST-aligned controls, STIG/SRG implementation, SCAP tooling and remediation workflows)
Experience integrating GOTS/COTS/open-source solutions into governed environments
Experience building “compliance-as-code” style automation (continuous configuration validation, drift detection, audit artifact generation)
Strong communication skills and customer-facing experience in high-tempo operational environments
Experience leading or coordinating small technical efforts and directing subcontractor tasks
This position requires full-time on-site work at a customer site near College Park, MD.
Experience supporting secure environments and compliance efforts (RMF, NIST-aligned controls, STIG/SRG implementation, SCAP tooling and remediation workflows)
Experience integrating GOTS/COTS/open-source solutions into governed environments
Experience building “compliance-as-code” style automation (continuous configuration validation, drift detection, audit artifact generation)
Strong communication skills and customer-facing experience in high-tempo operational environments
Experience leading or coordinating small technical efforts and directing subcontractor tasks

Application prep

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Keywords to mirror

python

Platform: peraton
Effort: medium

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