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Senior Linux Systems Administrator

2 months ago

Dahlgren, United States UIC Government Services and the Bowhead Family of Companies Full time
Job Title: Senior Linux Systems Administrator

We are seeking a highly skilled Senior Linux Systems Administrator to join our team at UIC Government Services and the Bowhead Family of Companies. As a Senior Linux Systems Administrator, you will be responsible for providing technical expertise and support for our Linux-based systems and infrastructure.

Key Responsibilities:
  • Provide technical problem-solving and consulting services for system operations
  • Automate installation methods and system imaging using tools such as Kickstart and Ansible
  • Implement and manage public key infrastructure (PKI) for digital certificates and encryption
  • Implement DISA STIGs and work within configuration-managed environments
  • Analyze, design, and implement modifications to system software to improve performance
  • Plan and implement new hardware acquisitions and interact with vendors
  • Support application installation, license management, and backup/recovery of system configurations and user data files
  • Operate running systems, including booting into different run levels and controlling services
  • Configure local storage, file systems, and network file systems
  • Deploy, configure, and maintain systems, including software installation and update
  • Manage users and groups, including use of a centralized directory for authentication
  • Manage security, including basic firewall and SELinux configuration
  • Configure static routes, packet filtering, and network address translation
  • Set kernel runtime parameters
  • Produce and deliver reports on system utilization
  • Use shell scripting to automate system maintenance tasks
  • Configure system logging, including remote logging
  • Configure a system to provide networking services, including HTTP/HTTPS, DNS, SMTP, SSH, and NTP
Qualifications:
  • Minimum five to eight years' experience in system administration of Linux-based servers and Linux-based workstations
  • Ideal Linux Admin will have troubleshooting skills in RHEL 7/8/9 OS and basic knowledge of Networking fundamentals, specifically TCP/IP protocol suite and IP configuration
  • Working knowledge of security guidelines and policies (DISA STIGs) and tools (Evaluate-STIG, STIG-Manager)
  • Knowledge of / experience with Tenable suite of products (Security Center, Nessus Scanner, Nessus Agent) is a plus
  • Seeking specific experience with the following operating systems and services is required: Red Hat Enterprise Linux (RHEL 8.x with RHEL 7.x and/or RHEL9.x a plus)
  • Must meet DoD 8570 Information Assurance Workforce (IAWF) criteria or Information Assurance Technical (IAT) Level II certification at time of hire (i.e., Security+)
  • Have knowledge of corporate services including: DNS, SMTP, Splunk, Centralized patching solutions such as Red Hat Satellite, Automation solutions such as Ansible Tower / AWX
  • Knowledge of / experience with: Single Sign on solutions such as RHSSO; Virtualization platform management systems such as VMWare / VSphere / Vcenter is a plus
  • Demonstrated experience managing the installation and maintenance of IT infrastructure
  • Experience working in an environment with rapidly changing job priorities
  • Experience with Service Now or similar Ticket Management system
  • Linux+ or Red Hat Certification preferred
Security Clearance Requirements:

Must be able to obtain and maintain a security clearance at the Top Secret level. US Citizenship is a requirement for this contract.

#LI-JR1

Applicants may be subject to a pre-employment drug & alcohol screening and/or random drug screen, and must follow UIC's Non-DOT Drug & Alcohol Testing Program requirements. If the position requires, an applicant must pass a pre-employment criminal background history check. All post-secondary education listed on the applicant's resume/application may be subject to verification.

Where driving may be required or where a rental car must be obtained for business travel purposes, applicants must have a valid driver license for this position and will be subject to verification. In addition, the applicant must pass an in-house, online, driving course to be authorized to drive for company purposes.

UIC is an equal opportunity employer. We evaluate qualified applicants without regard to race, age, color, religion, sex, sexual orientation, gender identity, national origin, disability, veteran status, and other protected characteristics EOE/AA/M/F/D/V. In furtherance, pursuant to The Alaska Native Claims Settlement Act 43 U.S.C. Sec. 1601 et seq., and federal contractual requirements, UIC and its subsidiaries may legally grant certain preference in employment opportunities to UIC Shareholders and their Descendants, based on the provisions contained within The Alaska Native Claims Settlement Act. Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities. Please view Equal Employment Opportunity Posters provided by OFCCPhere (https://www.dol.gov/ofccp/regs/compliance/posters/ofccpost.htm).