TS/SCI Cloud & Linux Systems Administrator

Peraton; Maryland; On-site; USD 176,000 - 282,000; Full time

Benefits offered by this job

25 days PTO

Bonus plan

Comprehensive benefits

Job summary

Peraton is seeking an experienced Linux system administrator to support government-scale infrastructure in Maryland. You will administer Red Hat and Amazon Linux systems, implement security controls, and collaborate with ISSOs/ISSEs to meet compliance requirements.

The role includes managing AWS resources, configuring networking, and automating tasks with Ansible, Puppet, and Python. Ideal candidates have TS/SCI with Poly, 10+ years in large-scale environments, and strong scripting and data-flow

Qualifications

• 10+ years in system administration and monitoring of large distributed environments.
• Bachelor's degree may be substituted for two years of experience.
• Experience administering multi-cluster environments with at least 150 nodes per site.
• 10+ years diagnosing and troubleshooting large-scale cloud environments and big data tech.
• 10+ years scripting in Bash, Perl, or Python.
• Strong Linux knowledge including LDAP, DHCP, DNS, TFTP.
• Experience with Puppet and Salt.
• Expert Linux PXE and network provisioning knowledge.
• Experience using remote admin tools (VNC, SoL, IPMI, BIOS utilities).
• OpenSSL and Java keystore management experience.
• Leadership, teamwork, and on-call readiness.
• Active TS/SCI with Poly clearance.

Responsibilities

• Administer, configure, and maintain Linux-based OSs (RHEL, Amazon Linux) with security controls.
• Collaborate with ISSOs/ISSEs to manage compliance requirements and workflows.
• Maintain SSP compliance, vulnerability scans, logs, and remediation actions.
• Manage AWS resources (EC2, RDS, S3) and serverless infrastructure with security in mind.
• Configure AWS networking (VPCs, Route 53) and troubleshoot connectivity issues.
• Support cloud-native tech (Step Functions, ECS, Lambda) for deployment and automation.
• Implement identity management using GATEKEEPER, CASPORT, PKI and related tech.
• Configure and troubleshoot Nginx, Podman, OpenSSL, PostgreSQL clients, and AWS CLI.
• Develop automation using Ansible and Puppet; manage source with Git.
• Analyze data flows across environments (eVo, WandS) and ensure secure movement.
• Collaborate across teams and mentor junior staff; participate in on-call rotations.

Skills

Linux administration

AWS cloud

Scripting Python

Security compliance

Education

Bachelor's degree in Engineering, Computer Science, or related field

Master's degree (preferred)

Tools

Puppet

Salt

Nginx

OpenSSL

Job description

Peraton is seeking an experienced Linux system administrator to support government-scale infrastructure in Maryland. You will administer Red Hat and Amazon Linux systems, implement security controls, and collaborate with ISSOs/ISSEs to meet compliance requirements.

The role includes managing AWS resources, configuring networking, and automating tasks with Ansible, Puppet, and Python. Ideal candidates have TS/SCI with Poly, 10+ years in large-scale environments, and strong scripting and data-flow