Senior Systems Administrator - Linux

ASRC Federal

Today
Secret
Unspecified
Unspecified
IT - Hardware
Pensacola, FL (On-Site/Office)

ASRC Federal is a leading government contractor furthering missions in space, public health and defense. As an Alaska Native owned corporation, our work helps secure an enduring future for our shareholders. Join our team and discover why we are a top veteran employer and Certified Great Place to Work™

Job Description:
This role is primarily responsible for the design, automation, implementation, maintenance, and troubleshooting of enterprise Linux environments and infrastructure. Additionally, this individual will provide backup support to the VMware engineer, assisting in virtualization administration, troubleshooting, and maintenance. The selected candidate must demonstrate deep technical expertise in Red Hat Enterprise Linux (RHEL) administration, automation, security hardening, and enterprise systems engineering.

Responsibilities:
  • Design, build, install, configure, maintain, troubleshoot, and optimize Linux-based servers and infrastructure.
  • Develop and maintain Linux automation using Ansible, Bash scripting, or other configuration management tools.
  • Manage Linux-based enterprise services, including DNS, DHCP, and authentication mechanisms (LDAP, SSSD).
  • Implement security hardening measures, including applying STIGs, IAVMs, and patch management in compliance with DoD cybersecurity policies.
  • Monitor system performance, optimize resources, and support capacity planning.
  • Provide backup support for VMware administration, including vCenter, ESXi, and VM performance tuning.
  • Utilize configuration management tools (e.g., Ansible, Satellite) for OS deployments and updates.
  • Collaborate with cross-functional teams to support technology refresh projects and enterprise-wide deployments.
  • Maintain documentation for configurations, system changes, and troubleshooting procedures.
  • Assist with incident response and forensic analysis when required.

Required Qualifications:
  • 4+ years of experience in Linux Systems Administration in an enterprise environment.
  • Bachelor's degree in an IT-related field or equivalent experience (4 years without a degree).
  • DoD 8570 IAT Level II certification (e.g., Security+ CE).
  • Active Secret clearance.
  • Extensive experience with Red Hat Enterprise Linux (RHEL) administration and automation.
  • Expertise in Bash scripting and Ansible automation for system administration tasks.
  • Strong understanding of networking concepts, including DNS, firewalls, and security policies.
  • Hands-on experience with PKI infrastructure, certificate management, and authentication solutions.
  • Experience implementing and enforcing STIGs, SCAP compliance, and other DoD security mandates.
  • Knowledge of Linux-based configuration management tools (e.g., Ansible, Puppet, Satellite).

Desired Qualifications:
  • VMware Certified Professional (VCP) or relevant VMware experience.
  • Experience with Windows Systems Administration.
  • Familiarity with Citrix Apps, Citrix ADC, or Citrix Hypervisor.
  • Experience with cloud-based services such as Azure or AWS.
  • Knowledge of advanced automation tools (e.g., Terraform, Python scripting for automation).
  • Strong customer interaction skills and ability to work in a team environment.
  • Familiarity with SAFe Agile and Jira.


We invest in the lives of our employees, both in and out of the workplace, by providing competitive pay and benefits packages. Benefits offered may include health care, dental, vision, life insurance; 401(k); education assistance; paid time off including PTO, holidays, and any other paid leave required by law.

EEO Statement

ASRC Federal and its Subsidiaries are Equal Opportunity employers. All qualified applicants will receive consideration for employment without regard to race, gender, color, age, sexual orientation, gender identification, national origin, religion, marital status, ancestry, citizenship, disability, protected veteran status, or any other factor prohibited by applicable law.
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About Us
ASRC Federal’s family of companies help federal civilian, defense and intelligence agencies achieve mission success. Our teams offer highly technical expertise in digital operations and IT modernization, software development, facilities management, engineering solutions, professional services, and infrastructure operations across the national security, defense and intel, health, civilian, and space markets. Inspired by the Iñupiat culture, we embrace stewardship and using every resource effectively; teamwork when striving to achieve goals and building a collaborative environment; integrity in adhering to high moral principles and professional standards; high performance in striving to deliver superior business results and exceptional customer value; and citizenship by taking care of our employees, shareholders and the communities where we work and live. Explore purpose driven career opportunities with ASRC Federal: http://www.asrcfederal.com/careers

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Job Category
IT - Hardware
Clearance Level
Secret
Employer
ASRC Federal