Job description

Senior Linux Engineer

Sebastian Tech Solutions is seeking an IT Engineer with experience building and maintaining Linux operating systems to join our team in support of a Federal Intelligence Agency contract. Primary responsibilities include providing engineering and administrative support maintaining multiple large Enterprise environments. The supporting infrastructure includes multiple networks spanning multiple security enclaves within a hybrid (Windows & Linux) operating environment.

Shift Schedule: Monday-Friday, Day Shift

Job Responsibilities & Duties:

System Engineering duties include management of both physical and VDI based Linux workstations and servers.

• Identify, design, document, and implement solutions using FOSS, COTS and GOTS products to enhance and meet customer requirements within the operating environment
• Identify, troubleshoot, analyze, and resolve related incidents with both short-term workarounds and long-term solutions
• Support, mentor, and assist remote Tier 1-3 administrative staff with operational incidents and procedures
• Work directly with software and hardware vendors where appropriate.· Communicate effectively (in oral and written form) with a variety of individuals and team members in both small and large team environments
• Linux Operating systems as a server or workstation such as Red Hat Enterprise Linux, CentOS, Scientific Linux, Fedora, Oracle Linux, Rocky Linux, Alma Linux, or other distributions
• Strong operational understanding of core concepts like DNS, DHCP, and LDAP
• Technical experience with Kerberos Authentication concepts and/or Microsoft Active Directory domain joined servers and workstations is a plus (SSSD, WinBind, etc.)
• Operating system deployment and Configuration Management via Red Hat Satellite, Foreman/Katello and/or Ansible Tower
• Understanding of SMB/CIFS and NFS file sharing protocols
• Ability to read and write shell scripts in a language like Python, Perl, Ruby, or Bash
• Configuration management coding and use of Anaconda Kickstart, Ansible, Puppet, Chef or other configuration as code products and version control with a code repository such as Gitlab
• Experience reviewing and applying DoD STIG security hardening

Qualifications:

• Active TS/SCI and CI Polygraph security clearance are required
• A combination of a degree based higher education, technical training, or work/military experience in a related field such as computer science, systems administration or systems engineering or equivalent experience
• 5+ years of related systems engineering or administration experience
• Candidate must possess an appropriate and current DoD Information Assurance (IA) Certification to be considered for employment; either valid CompTIA Security+ CE, Systems Security Certified Practitioner (SSCP) or Cisco Certified Network Associate (CCNA)-Security. CompTIA Security+ CE Certification is the preferred certification
• In addition, candidate must attain the required DoD 8570 Computing Environment (CE) Training within six (6) months of Hire Date.
• United States citizenship or permanent resident

Desired:

• Active DoD 8140 IAT Level III certification
• Knowledge of cloud technologies and environments like AWS, Azure and container technologies like Docker
• Knowledge of virtualization environments like VMware and Citrix
• Experience with other operating systems including other Linux distributions, Unix Distributions and Microsoft Windows
• Experience with storage appliances like NetApp or Isilon
• Exposure to performance monitoring tools used to tune and troubleshoot systems
• Ability to identify, troubleshoot and resolve issues related to networking concepts such as web proxies and firewall
• Installation, configuration and management of CUPS print server
• Familiarity with specific customer and mission
• Willingness to travel.

STS is a growing company with offices in Jonesboro, Arkansas and Northern Virginia. We provide excellence to our customers and support our personnel in their professional journey. Come grow with us!

Job Type: Full-time

Pay: From $151,000.00 per year

Benefits:

• 401(k)
• 401(k) matching
• Dental insurance
• Flexible spending account
• Health insurance
• Health savings account
• Life insurance
• Paid time off
• Vision insurance

Schedule:

• 8 hour shift
• Day shift
• Monday to Friday

Education:

• Bachelor's (Preferred)

Experience:

• related systems engineering or administration: 5 years (Required)
• Linux Operating systems as a server or workstation: 4 years (Required)

License/Certification:

• IAT Level II certification (Required)

Security clearance:

• Top Secret (Required)

Willingness to travel:

• 25% (Preferred)

Work Location: In person

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