Senior Systems Administrator (Unix / Linux)

Job Description

Job Description

Benefits :

401(k)

401(k) matching

Competitive salary

Dental insurance

Flexible schedule

Health insurance

Paid time off

Training & development

Tuition assistance

Vision insurance

Wellness resources

Role : Senior Systems Administrator (Unix / Linux)

About Rigil

Rigil is an award-winning strategy, technology, and products company committed to making life better for every individual and community we support. Founded in 2005 as a woman-owned business, on the premise : There is always a better way. A better way to serve customers, develop solutions, and foster a balanced working community. We value teamwork and strive to build strong leaders.

Location : Dahlgren, Virginia 22448

Job Type : Full-Time

Clearance : Top Secret Clearance

Job Description :

• Provides end-to-end, full-lifecycle endpoint support for IT assets, including troubleshooting, imaging, configuration, hardware / software installation, upgrades, and maintenance for desktops, laptops, mobile devices, printers, and virtual environments.
• Operates and manages a Unified IT Helpdesk , delivering Tier 0 / Tier 1 user support, incident and problem management, service request fulfillment, and performance reporting through Government-provided ITSM tools in alignment with SLA and XLA targets.
• Maintains a centralized patch and configuration repository , ensuring timely updates to operating systems, third-party applications, and firmware, and applies Government-approved baseline images and configurations.
• Provides system administration and operations support across multiple environments (Windows, Linux, UNIX, macOS, Solaris, AIX, etc.), including installation, patching, backup, recovery, and compliance with DISA STIG and cybersecurity requirements.
• Manages hardware lifecycle activities such as diagnostics, vendor coordination, upgrades, relocations, and technology refresh planning, while updating asset databases and documentation.
• Supports Department Information Officers (DIOs) by tracking and reconciling IT assets, telecom invoices, and cybersecurity records (e.g., DADMS, CWF CfM, ESS, A&A status), and providing detailed reporting and compliance documentation.

Minimum Qualifications :

• Masters level degree in Electrical / Electronic / Computer Engineering, Computer Science, or Information Systems.
• Six (6) years of professional experience in Unix and / or Linux system administration of networks and software systems.
• Experience in system backup and recovery; basic software management; security management and library management; installation and configuration of hardware; operational systems and COTS software; operating computer systems in different operating environments; and sizing, performance, tuning, hardware / software / network trouble shooting and resource allocation.
• Qualified experience in different network protocols including TCP / IP and major network security tools such as : firewalls, knowledge of computing and networking vulnerabilities, attach methods and latest detection methods.

This position is required to be designated as IAT III level with a T5.