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ManTech

Linux System Administrator

ManTech, Aurora, Colorado, United States, 80012

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MANTECH seeks a motivated and customer-focused

Linux

System Administrator

to join our team in

Southlands, Colorado

.

This position supports the ELINT Modernization effort and is part of a collaborative team delivering systems engineering, software development, testing, and configuration management services.

Responsibilities include, but are not limited to:

Support implementation, troubleshooting, and maintenance of IT systems

Manage IT infrastructure and ensure system availability and performance

Perform day-to-day system monitoring, operations, and problem resolution

Diagnose and resolve issues at Tier 1 and Tier 2 support levels

Configure and manage UNIX/Linux operating systems and install/load OS software

Optimize system operations and perform resource utilization and capacity analysis

Perform system backups, disaster recovery, and service restoration procedures

Update and migrate servers to newer software versions

Implement OS enhancements to improve system reliability and performance

Minimum Qualifications:

Bachelor's degree with 10+ years of related experience; an additional 5 years of related experience might be substituted for a degree

Security+ certification

Experience with troubleshooting and maintaining enterprise IT systems

Experience managing and optimizing UNIX/Linux environments (installation, patching, performance tuning)

Experience providing incident identification, analysis, and resolution

Experience with executing security backups, recovery, and OS enhancement tasks

Experience with updating and migrating servers and services

Experience with maintaining detailed records, technical documentation, and change logs

Preferred Qualifications:

Operating Systems: CentOS, AIX, Solaris, RHEL

Tools & Platforms: NiFi, Docker, Putty, VMWare, OpenStack, Cisco

Orchestration & Development: Kubernetes, Tibco, ClearCase, Git, Ratchet

Agile development methodologies

Atlassian tool suite (JIRA, Confluence)

Security Clearance Requirements

Current/active TS/SCI with Polygraph,

Physical Requirements

Must be able to remain in a stationary position for up to 50% of the time

Frequently operates computers and standard office productivity tools

Must be able to effectively communicate with co-workers, customers, and leadership-may include delivering presentations

Occasional travel may be required for hardware upgrades and updates

ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

If you are a qualified individual with a disability and require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please email us at careers@mantech.com and provide your name and contact information.