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Linux Systems Administrator

MANTECH
Fort Meade, MD, USA
  • Market Salary: $95,040 - $142,890 p/year
  • IT
  • Full-time
Our job summary
Work on classified systems with an active TS/SCI + Poly required. Linux Systems Administrator (on-site Fort Meade, MD) — full-time, long-term; administer multi-platform OS, virtualization (VMware/SAN), security hardening, host-based IDS, automation with Ansible, NiFi/CDS, IAM work, audits, and incident response. - Active TS/SCI with Polygraph (required) - 10+ years Linux/Systems Administration (or A.A. +15 yrs) - Experience with Ansible (or IaC), VMware/SAN, NiFi or cross-domain solutions - Bachelor’s in technical field preferred (Assoc. + experience acceptable) - Proficient scripting (Python/Bash) and familiarity with Keycloak/AD
Full description

MANTECH seeks an experienced and passionate, career and customer-oriented Linux Systems Administrator to join our team located in the Fort Meade, MD area.

Responsibilities include, but are not limited to:

  • 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 for management.

Minimum Qualifications:

  • Bachelor’s degree in a technical field 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.
  • Experience utilizing Ansible or comparable infrastructure-as-code tools.
  • Experience managing enterprise virtualization platforms (VMware or similar) and associated Storage Area Networks (SAN).
  • Experience with NiFi or cross-domain solutions.
  • Familiarity with Identity Management solutions like Keycloak.

Preferred Qualifications:

  • Experience with DevOps tools such as Docker, Kubernetes, SaltStack, or Puppet.
  • Proficiency in scripting languages including Python, Bash, or Perl.
  • Experience collaborating with teams to integrate and deploy new technologies into production environments.
  • Knowledge of network devices (routers, switches, gateways) and protocols such as TCP/IP, UDP, HTTP, DHCP, and DNS.
  • Familiarity with Windows administration and Active Directory

Clearance Requirement:

  • Current/Active TS/SCI with Polygraph

Physical Requirements:

  • Must be able to remain in a stationary position at least 50% of the time.
  • Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.
  • Constantly operate a computer and other office productivity machinery, such as, the copy machine/fax machine/computer/printer.
Location restriction