Senior Linux Systems Administrator - Security & Automation

Archer; Fort Meade (MD); On-site; USD 120,000 - 180,000; Full time

Job summary

Archer, in partnership with MANTECH, seeks a Linux Systems Administrator for the Fort Meade, MD area. You will administer multi‑platform environments, implement automated security hardening, and manage host-based security and IDS, ensuring operational integrity.

Responsibilities include designing automation workflows for IAM, auditing security, and deploying new technologies with DevOps tools. A TS/SCI with Poly clearance is required; extensive Linux and VMware experience preferred.

Qualifications

• Bachelor's degree and 10+ years of relevant Systems Administration experience; or an Associate's degree with 15+ years’ experience.
• 10+ years of experience in systems administration of software and hardware supporting IT system development and testing.
• Extensive experience with Linux administration and enterprise-level operating systems.
• Experience utilizing Ansible or comparable infrastructure-as-code tools.
• Experience with NiFi or cross-domain solutions.
• Experience managing enterprise virtualization platforms (VMware or similar) and associated Storage Area Networks (SAN).

Responsibilities

• Provide comprehensive administration and support for multi-platform operating system environments.
• Design and implement automated security hardening solutions to enhance scalability and streamline operating system deployments.
• Configure and maintain host-based security and intrusion detection systems.
• Monitor system performance and investigate detected anomalies to ensure operational integrity.
• Develop and deploy automation scripts to manage server integration and reduce manual configuration errors.
• Analyze system and security logs to identify and respond to real-time events and provide status updates to leadership.
• Engineer automation workflows for identity and access management to replace manual account provisioning processes.
• Conduct regular audits to verify security compliance and identify potential vulnerabilities or configuration gaps.
• Participate in design and review meetings to provide technical insights, project goals, and status updates to management.

Skills

Linux administration

Security hardening

Automation scripting

Networking basics

Incident monitoring

Education

Bachelor's degree in a technical field

Associate's degree with 15+ years’ experience

Tools

Ansible

Docker

Kubernetes

SaltStack

Puppet

VMware

SAN

NiFi

Job description

Archer, in partnership with MANTECH, seeks a Linux Systems Administrator for the Fort Meade, MD area. You will administer multi‑platform environments, implement automated security hardening, and manage host-based security and IDS, ensuring operational integrity.

Responsibilities include designing automation workflows for IAM, auditing security, and deploying new technologies with DevOps tools. A TS/SCI with Poly clearance is required; extensive Linux and VMware experience preferred.