Senior Linux/Unix IT Systems Administrator

Tatitlek Technologies, Inc (TTI); Dahlgren (VA); On-site; USD 73,000 - 104,000; Full time

Job summary

The Senior Linux/Unix IT Systems Administrator position at Tatitlek Technologies, Inc (TTI) requires extensive experience in UNIX, Linux, Windows, and security patching (IAVA). The role demands DoD Secret clearance eligibility and IAT Level 2 certification, with responsibilities spanning OS installation, updates, backups, and documentation.

Based in US-VA-Dahlgren, the role emphasizes enterprise-grade security, system integrity, and collaboration across IT teams to support mission-critical

Qualifications

• At least 6 years of system administration experience.
• Must have a DoD Secret security clearance and SSBI eligibility.
• DoD 8140.01 IAT Level 2 certification (IA and OS certifications) required.

Responsibilities

• Install, configure, and maintain operating systems.
• Manage fixes, updates, and enhancements; test and troubleshoot systems.
• Provide end-user support and manage accounts, access, and backups.
• Create and maintain SOPs and system documentation.

Skills

System administration

Security clearance

IAT Level 2 certification

Job description

Senior Linux/Unix IT Systems Administrator

Job Locations

US-VA-Dahlgren

Job Details

• ID: 2026-2700
• Category: Information Technology
• Position Type: Regular Full-Time
• FLSA Status: Exempt

Overview

Job specifications are intended to present a descriptive list of the range of duties performed by employees. Specifications are not intended to reflect all duties performed within the job.

SUMMARY

The Senior Systems Administrator shall demonstrate experience in systems administration in the following operating systems: UNIX, Linux, or Windows. The specialized experience includes Linux system administration of Redhat and security setup and updates (IAVA's); UNIX system administration of Solaris, UNIX scripting, Thin Client, Sudo, IDM, NTFS, CIFS, DNS, RDP Client, and security setup and updates (IAVA's); Windows system administration of WSUS and third party solutions, GPOs Windows Server and Windows Workstations, Thin Clients (hardware/software), Networking and documentation creation/updates.

ESSENTIAL DUTIES AND RESPONSIBILITIES

• Possess the ability to install, configure and maintain Operating Systems.
• Manage the installation and integration of systems fixes, updates and enhancements Conduct testing, troubleshooting, performance optimization and maintenance of hardware and software systems.
• Provide support including end user assistance.
• Perform functions such as manage accounts, network rights, access to systems and equipment; maintain systems configuration and backups.
• Create and maintain documentation, Standard Operating Procedures (SOP).
• Create, monitor and maintain backups/restoration of systems and files.
• Conduct research of new and upcoming technologies.
• Provide input for future systems and purchases.
• Demonstrate general knowledge of enterprise frameworks and methodologies.
• Possess the ability to communicate effectively both written and verbally.
• Other duties as assigned.

REQUIREMENTS/QUALIFICATIONS

Education and Experience:

• At least 6 years of system administration experience.
• Must have a DOD Secret security clearance and have or be able to obtain an SSBI.
• As per Department of Defense (DoD) Directive 8140.01, this position shall require Information Assurance Technicians (IAT) Level 2 certification; this includes both an Information Assurance (IA) certification and an Operating System (OS) certification.
• The OS certification requirement will be for Unix/Linux or Windows depending on the position. The Senior Systems Administrator is required to maintain the DoD 8140.01 IAT Level 2 certification for the life of the contract.

PHYSICAL REQUIREMENTS

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

While performing the duties of this job, the employee is required to use fabrication tools; stand; walk; sit; use hands to finger, handle, or feel objects, tools or controls; reach with hands and arms; climb stairs; balance; stoop, kneel, crouch or crawl; talk or hear; taste or smell. The employee must occasionally lift and/or move up to 25 pounds. Specific vision abilities required by the job include close vision, distance vision, color vision, peripheral vision, depth perception, and the ability to adjust focus.

WORK ENVIRONMENT

The work environment characteristics described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions. While performing the duties of this job, the employee is exposed to weather conditions prevalent at the time. The noise level in the work environment is usually moderate.

SUPERVISORY RESPONSIBILITIES

None.

ADDITIONAL QUALIFYING FACTORS

Must have the ability to obtain and maintain a security clearance. In addition, a satisfactory background screening, negative drug test, positive references and proof of identity and legal authorization to work in the United States and for TTO are required. May require occasional travel.

As an equal opportunity employer, The Tatitlek Corporation recognizes that our strength lies in our people. Discrimination and all unlawful harassment, including sexual harassment, in employment is not tolerated. We encourage success based on our individual merits and abilities without regard to race, color, religion, national origin, gender, sexual orientation, gender identity, age, disability, marital status, citizenship status, military status, protected Veteran's status, or employment.

BENEFITS

For more information please visit:https://careers-tatitlek.icims.com/

Salary

$64/hourly