Lead Linux Administrator w/Public Trust

TekSynap•Suitland, MD

2d•$120,000 - $170,000•Onsite

About The Position

TekSynap is seeking a Lead Linux Administrator to provide senior-level administration and support for enterprise Linux environments, including Red Hat Enterprise Linux (RHEL). This onsite position is located in Suitland, Maryland, and supports an upcoming government contract proposal; employment is contingent upon contract award and government approval. Candidates may be asked to sign a Letter of Commitment. The role also serves as a subject matter expert for DNS, DNS Security Extensions (DNSSEC), and Protective DNS (PDNS), and supports Cisco email security appliances and related messaging infrastructure. The administrator helps maintain reliable, secure, compliant, and high-performing enterprise services through system administration, operational support, documentation, and change management. The work schedule is Monday through Friday, 8:00 a.m. to 4:30 p.m., with an estimated 5% travel. The target salary range is $120,000 to $170,000. The position requires U.S. citizenship and Public Trust clearance. TekSynap offers full-time employees health, dental, and vision coverage, a 401(k), life insurance, short- and long-term disability plans, vacation time, and holidays.

Requirements

At least 6 years of experience administering relevant operating or software systems, such as Linux or Unix.
Experience administering Red Hat Enterprise Linux (RHEL), including patching and vulnerability remediation.
Demonstrated experience supporting government agencies, customers, or contracts in federal environments, including the Intelligence Community, Department of Defense, Federal Civil agencies, or military organizations.
Public Trust clearance.
U.S. citizenship.
Bachelor’s degree, technical certification, or graduation from a technical/trade school; alternatively, an additional 6 years of relevant experience.
Ability to meet the physical demands of the job, including regularly using hands and arms, speaking and hearing, standing, walking, sitting, climbing or balancing, and stooping, kneeling, crouching, or crawling; lifting up to 10 pounds regularly and up to 25 and 50 pounds frequently; and meeting the stated vision requirements.

Nice To Haves

Prior experience supporting the same or a similar contract, with an in-depth understanding of the customer environment, requirements, and operational landscape.

Responsibilities

Administer and maintain enterprise Linux environments, including providing senior-level support for RHEL server environments.
Support server deployment, configuration, patching, and upgrades; install, test, and implement software releases and security updates.
Perform system hardening and vulnerability remediation.
Monitor system availability, reliability, performance, capacity, and resource utilization.
Support troubleshooting and root cause analysis.
Develop automation and operational efficiencies where appropriate.
Lead Linux-related modernization and migration activities.
Serve as a subject matter expert for configuring, maintaining, and troubleshooting DNS, DNSSEC, and PDNS services.
Design, implement, configure, and maintain Cisco email security appliances and associated messaging infrastructure.
Support DNS architecture, security, and operational enhancements to promote reliability, performance, and compliance.
Develop and maintain technical documentation, standards, and procedures for Linux, DNS, and email service operations.
Maintain system security, data integrity, and access controls across Linux, DNS, and email infrastructure.
Administer user accounts, assign permissions, and manage passwords.
Perform system backups, recovery operations, and disaster recovery support to ensure service continuity.
Maintain application data files, system configurations, and operational control procedures for enterprise platforms.
Lead and administer approved system changes in accordance with change management and configuration control processes.
Support enterprise applications and services hosted on Linux and related infrastructure platforms.
Develop and use office productivity, reporting, and data management tools for operational and administrative requirements.
Ensure compliance with system administration standards, security policies, and operational procedures.