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Linux Systems Administrator

TEKsystems c/o Allegis Group

Posted today

Job Requirements

Reston, VA
Top Secret/SCI Polygraph not specified
Senior Level Career (10+ yrs experience)
$125,000 - $135,000

Job Description

TEKsystems is seeking a Linux Administrator to support the DTRA I3TS Infrastructure Services team to maintain and optimize the Linux production environment. The candidate will be responsible for sustaining Linux servers as well as the conceptualization, design, development and implementation of new Linux capabilities. The candidate is expected work well as a part of the DTRA Systems Administration team using ITIL best practices as well as work independently on assigned tasks. Candidate is expected to support the entire service lifecycle from design through development to production, building and deploying Linux based systems in a virtual environment.

Candidate should be familiar with system automation technologies, basic database administration and tuning. Candidates must demonstrate a high degree of problem-solving ability in a complex environment and be able to communicate effectively, both to the customer and to team members.

Primary Responsibilities:
Provision servers and environments.
Manage user access.
Full lifecycle management of Linux servers, including installation, configuration and patching in production and test environments.
Automation knowledge scripting in Unix shell and Ansible playbooks.
Perform security patching, upgrades, and hardening to meet compliance standards and remediate critical vulnerabilities.
Monitor system performance and respond to alerts.
Establish and maintain NTP services in the production environment.
Maintain satellite servers for the agency, software releases and patches.
Experience with the following emerging technologies or equivalent technology: Kubernetes, Open Shift, Containers, GitHub, Ansible Tower
Ensure compliance with security standards and practices aligned with DoD STIGs.
Experience with web servers and use of certificates
Open Source: Apache Hadoop, Zookeeper, Puppet
App Servers: JBoss, Tomcat, Jetty, NGINX, HT
Be able to work in a fast-paced environment and must be able to work independently.
Work on multiple projects, leading projects that fall within the Area of responsibility.
Communicate with internal team members across multiple areas and client team members.
Provide support on a M-F business hours schedule, also responsible for on-call, extended hour, and weekend support as required by mission or emergency situations.
Create, maintain, and implement detailed documentation and maintain standard operating procedures.

Certifications:

DoD 8570 IAT Level II or III certification (e.g., Security+ CE, CASP+, CISSP).

Red Hat Certification - Red Hat Certified System Administrator (RHCSA) (Preferred)

Job Title
linux system administrator - I3TS

Top Skills Details
BS with 6-8 years, or MS degree with 4-6 years of experience in IT operations working with Linux servers and Virtualization.
Must hold a Top Secret/SCI Clearance.
Hands-on experience administering Red Hat Enterprise Linux environments.
Direct experience supporting systems with Red Hat Satellite.
Understanding of virtualized infrastructure, server backup and restoral procedures, application of STIGs and cyber hardening approaches.
Basic experience with log file analysis
Strong troubleshooting and problem-solving skills.

Eligibility requirements apply to some benefits and may depend on your job
classification and length of employment. Benefits are subject to change and may be
subject to specific elections, plan, or program terms. If eligible, the benefits
available for this temporary role may include the following:

• Medical, dental & vision
• Critical Illness, Accident, and Hospital
• 401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available
• Life Insurance (Voluntary Life & AD&D for the employee and dependents)
• Short and long-term disability
• Health Spending Account (HSA)
• Transportation benefits
• Employee Assistance Program
• Time Off/Leave (PTO, Vacation or Sick Leave)
group id: 10105424
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