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Senior Linux Systems Administrator​/Systems Engineer Night or Weekend Shift - TS​/SCI Polygraph

Job in Ellicott City, Howard County, Maryland, 21042, USA
Listing for: redalpha
Full Time position
Listed on 2026-09-30
Job specializations:
  • IT/Tech
    Systems Administrator, Unix/Linux, Cybersecurity, Cloud Computing: Infrastructure & Operations
Salary/Wage Range or Industry Benchmark: 175000 - 225000 USD Yearly USD 175000.00 225000.00 YEAR
Job Description & How to Apply Below
Position: Senior Linux Systems Administrator / Systems Engineer (Day, Night or Weekend Shift - TS/SCI with Polygraph required)

A day in the life:

We are seeking a Senior Linux System Administrator/Engineer to support a highly available, mission-critical enterprise environment serving the Intelligence Community. This role is responsible for administering, maintaining, and optimizing Linux-based infrastructure, virtualized environments, and application platforms. The ideal candidate will have extensive experience with Red Hat/CentOS systems, VMware, system security, and enterprise application support, with a strong focus on operational reliability, performance, and compliance.

Key Responsibilities include but are not limited to:

  • Administer, maintain, and troubleshoot enterprise Linux environments (RHEL/CentOS).
  • Support mission-critical infrastructure to ensure high availability, stability, and security.
  • Install, configure, maintain, and support JBoss application servers.
  • Create, configure, and manage VMware virtual machines and supporting infrastructure.
  • Implement system hardening, security controls, and compliance requirements.
  • Automate system administration tasks using Ansible, Terraform, shell scripting, and Python.
  • Manage and support physical servers, storage systems, networking, authentication services, and related infrastructure components.
  • Monitor system performance, identify issues, and perform troubleshooting and root cause analysis.
  • Support system integration efforts and collaborate with cross-functional technical teams.
  • Assist with Oracle database administration activities and support applications utilizing JSON-based data exchange.

* Please note, multiple shifts are available for this position include day (8 AM - 5 PM), night, and weekend shifts (12 hours).

What you bring to the table:
  • BS in Computer Science or a technical discipline from an accredited institution. Four (4) additional years of experience may be accepted in lieu of a degree.
  • 10+ years of relevant experience in systems administration.
  • Security+ certification
  • Proficiency with Linux (CentOS, RHEL)
  • Extensive experience installing, configuring, and maintaining JBoss and/or Wildfly
  • Experience with VMWare - VM creation, configuration, and operation

Bonus

Skills:

  • Linux Administration Certification
  • Experience with RH Ansible
  • Familiarity with Oracle Databases and possibly DBA experience
  • Experience with storage, networking, security compliance, scripting (Python, Shell)
The total package:

Our total compensation package was strategically designed with our members in mind with the intention to: reward our members for their hard work and commitment to our customers' missions; allow members to share in Red Alpha's success as we continue to grow and expand our footprint; provide long-term career opportunities through stability and internal mobility; and provide the resources our members need to support themselves and their dependents in the form of a robust benefits package.

Our total compensation package includes a competitive base salary and benefits such as health, life/ disability, 401k, paid time off, professional development, and generous bonus programs. Please visit our benefits tab for additional information.

Salary Range:

  • Disclosed pay ranges are a general guideline, and are not a guarantee of a final salary or compensation. Our approach in determining final salaries takes into consideration a number of factors such as education, certifications, total years of relevant professional experience, actual level of expertise, and the responsibilities of the role itself.
  • Based on the outlined roles, responsibilities, and requirements, the projected pay range for this position is: $175,000 - $225,000.

Some of our additional perks and benefits include:

  • Retire sooner than planned:
    Get closer to retirement with up to 10% in 401k contributions, immediately vested.
  • Have a career AND…
Position Requirements
10+ Years work experience
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