Tier III Helpdesk (TS/SCI)

Full-time

Take2 Consulting, LLC

Springfield, VA

Tier III Helpdesk IT Support

Location: Springfield, VA (onsite)

Clearance: Active TS/SCI required; must be willing to obtain a polygraph

About the Role

We're looking for a Linux Systems Administrator to provide Tier III operations and maintenance support for a federal IT support team. This role owns the most complex incidents on the help desk's escalation chain, working directly with developers and vendors to drive root-cause resolution, while also maintaining the system documentation and security evidence needed to support audits.

Responsibilities

Provide O&M support for one or more applications; resolve complex incidents/problems and perform root-cause analysis
Perform Tier 2/3 troubleshooting, coordinate with developers and vendors, and drive escalations through closure with clear status updates
Author and maintain SOPs, runbooks, knowledge articles, and configuration baselines, keeping documentation aligned to production behavior
Coordinate enhancement testing execution (UAT logistics, test evidence, defect triage) and maintain test scripts prior to scheduled testing windows
Support audits by compiling access/configuration evidence, validating user/role listings, and maintaining system security documentation

Required Qualifications

Active TS/SCI clearance
Willingness to obtain a polygraph
Minimum 2 years of relevant experience

Apply

Vacancy posted 9 hours ago

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