Feb 25, 2022

Job ID 2022-4861 Systems Administrator - Linux

  • OBXtek
  • Washington, DC, USA
Defense Engineering Government Information Technology Legal Program Management Information technology

Job Description

Job ID 2022-4861


OBXtek is recruiting for a Systems Administrator - Linux to work for the Department of Treasury.

**This position is onsite at the headquarters building at 1500 Pennsylvania Ave, NW in WDC.

** There is a possibility of occasional work at the Treasury Department in Vienna, VA with no work from home option.

This position is responsible for the day to day System Administration of the Treasury Foreign Intelligence Network (TFIN) Linux application servers.

  • Provide Tier 2/3 support, based on industry standards, to clients for all system problems and anomalies. Support trouble tickets submitted via the electronic problem reports system.
  • Maintain and secure Windows server security patching and hardening according to the appropriate Security Technical Implementation Guide (STIG).
  • Develop deployment packages, configure firewall rules, and respond to security requests for specific vulnerabilities.
  • Configuring Active Directory group policy according to industry-standard best practices with regards to security.
  • Prepare systems (mission servers, UNIX workstations) for security accreditation.
  • Install, configure, and maintain Red Hat Linux and Solaris operating systems, to include Operating System (OS), application software patches and service packs.
  • Perform user account, group, and directory maintenance on all system as needed.
  • Manage user and group policies and rights; conduct auditing for same.
  • Review security, network, and system auditing and remedy identified anomalies.
  • Analyze and resolve problems associated with UNIX workstation and server hardware, operating systems, applications software, and adhere to mandated requirements and guidelines.
  • Prepare, test, and implement scripts to simplify system tasks for domain core services.
  • Perform backup and recovery procedures utilizing and managing media backup of RAID storage devices.
  • Identify and resolve security related server, workstation and application issues.
  • Troubleshoot connectivity/network connection issues.


Active TS/SCI clearance with SCI read-in within the past 12 months

Immediate family members must also be US Citizens (immediate family is defined as Mother, Father, Brother, Sister, Spouse, Children, or co-habitant).

Required Skills/Experience:
  • Redhat Linux
  • UNIX
  • Oracle/Solaris OS
  • WebLogic
  • Active Directory and GPO management
  • STIG/ Server hardening and configuration Windows PowerShell scripting
  • WSUS configuration and package deployment
  • System Center Configuration Manager (SCCM)
  • Windows Deployment Services
  • Tenable Nessus vulnerability scanner
  • Retina scanning
  • Configuring Host based firewalls/IPS
  • Shell scripting
  • HBSS
  • ACAS

  • Security +
  • MCSE or MCSA, Linux Redhat Certification

  • High school diploma or GED. Bachelor's degree preferred

Security Clearance

Top Secret with SCI eligibility

Company Information

COVID Policy: Prospective and/or new employees will be required to adhere with OBXtek's vaccination policy. Employees working onsite at a customer location must comply with customer vaccination requirements which may include any or all the following: social distancing, masks, mandatory statements regarding one's vaccination status and mandatory testing .

Headquartered in McLean, Virginia and founded in 2009, OBXtek is a fast-growing leader in the government contracting field. Our mission is Our People...Our Reputation. Our people are trained professionals who enhance our customers' knowledge and innovation using technology, collaboration, and education.

We offer a robust suite of benefits including comprehensive medical, dental and vision plans, Flexible Spending Accounts, matching 401K, paid time off, tuition reimbursement plans and much more.

As a prime contractor for 93% of our current work, OBXtek pairs lessons learned across disciplines with industry standard quality practices such as CMMI-Dev Level III, ITIL, 6Sigma, PMI, and ISO. Our rapid growth has been recognized by INC500, the Washington Business Journal, and Washington Technology magazine.

OBXtek is an Equal Opportunity Employer and does not discriminate based on race, color, religion, sex, age, national origin, gender identity, disability, veteran status, sexual orientation or any other classification protected by federal, state or local law.


Program Management



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