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Hybrid Sr Linux System Administrator

Crossfire Consulting CorpOwings Mills, MD🇺🇸United StatesPosted Oct 8, 2026

Quick Overview

Seniority
Mid Senior
Work mode
On Site
Location
Owings Mills, MD, United States
Posted
Yesterday
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Job Description

Sr Linux Systems Administrator - W2 only - No C2C
Contract Length: 21 weeks with possible extension
Location: Owings Mills, MD
Work Setup: Hybrid Tuesday, Wednesday, Thursday onsite
Join a large enterprise environment supporting critical infrastructure and high-availability systems. The Sr Linux Systems Administrator will guide NFS storage migrations for Unit Systems EPS Stabilization while supporting Linux, VMware, cloud, and server infrastructure.
Sr Linux Systems Administrator Responsibilities
  • Manage RedHat 6, 7, 8, 9 servers from both a hardware and operating system standpoint.
  • Guide NFS storage migrations and coordinate migrations with ~200 application teams.
  • Discuss technical migration options with application teams and complete data migrations as scheduled.
  • Manage VMware vSphere hypervisor support in a highly available virtualized environment.
  • Configure and maintain server processes, configurations, backups, platform health, and performance.
  • Plan and implement Linux security patching, infrastructure changes, and production releases.
  • Automate processes, track issues, document changes, and maintain CMDB/server inventory accuracy.
  • Provide 24x7 support, participate in on-call rotation, and perform after-hours maintenance and deployments.

Sr Linux Systems Administrator Required Qualifications
  • Senior-level Unix/Linux expertise.
  • Bachelors Degree (Computer Science or related field) and 5-7 years relevant experience (IT infrastructure support, application support, cloud computing, disaster/recovery) or 6-9 years of relevant work experience.
  • Demonstrated proficiency in at least one operational domain such as storage, compute, database, collaboration, application support, cloud hosting and related technologies.
  • Ability to lift up to 25 lbs. to rack servers with assistance/server lifts as needed.
  • Ability to travel domestically.
  • 24/7 on-call rotational duties.

Sr Linux Systems Administrator Preferred Qualifications
  • Enterprise Fortune 200500 environment experience preferred; non-government backgrounds preferred.
  • Fortune 500 financial services or large-volume System Administration experience strongly preferred.
  • Experience administrating physical/virtual on-prem servers and Microsoft Azure and Oracle Cloud Infrastructure.
  • Experience with Oracle Enterprise Linux, Solaris, Exadata hardware helpful.
  • Experience with scripting language such as Python, Shell.
  • Zerto experience.
  • Certifications such as Azure Administrator, Oracle Cloud Administrator, VMware, and Red Hat Enterprise Linux Server preferred.
  • Demonstrated ability with knowledge in current versions of VMware hypervisor technology.
  • Working level knowledge: Backups, RAID, SAN, and NAS storage.
  • Excellent communications skills - Able to effectively communicate highly technical information in non-technical terminology (written and verbal).
  • Makes well-thought-out decisions on complex or ambiguous issues.
  • Understanding of change management principles associated with sustaining high availability of systems and preventing change related incidents due to human performance factors.
  • Takes good directions from Team Leads and Manager in performing required work.
  • Independence level: works under supervision of Team Leads and/or Manager.

We look forward to reviewing your application!
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