Expert Linux Infrastructure Administrator

2 weeks ago


Arlington, Virginia, United States SAIC Full time

Position Overview

SAIC is seeking a Senior Linux Administrator to enhance our IT services for the United States Marshals Service (USMS). This role involves collaborating with a dedicated team to deliver robust computing solutions and comprehensive support to our clients and users. The team is responsible for constructing and sustaining user environments, providing expert-level assistance, and managing application software and tools.

Key Responsibilities:

  • Commitment to working entirely on-site (no remote work options)
  • Execute installations and updates for Linux and Windows operating systems
  • Support clients with application installation and upgrades
  • Troubleshoot software installation challenges
  • Oversee system performance and conduct hardware troubleshooting, including tracking, resolution, and routine maintenance and security updates
  • Ensure adherence to security protocols and standards
  • Perform system backups and facilitate data recovery processes
  • Document workflows and Standard Operating Procedures (SOP)
  • Monitor resource utilization, foresee potential issues, and propose solutions
  • Manage both production and development environments, providing Tier III technical support as necessary
  • Collaborate with team members to achieve collective objectives and enhance operational practices
  • Develop and maintain comprehensive documentation of systems
  • Conduct configuration, deployment, troubleshooting, and maintenance of various Microsoft Windows OS versions
  • Conduct configuration, deployment, troubleshooting, and maintenance of various RedHat Linux OS versions
  • Provide technical support for the customer development team regarding software and hardware
  • Establish and maintain an offsite disaster recovery setup
  • Review system and security logs, reporting incidents or potential threats to the team
  • Work with load balancing, failover, and data replication technologies
  • Utilize WSUS, Ivanti, and other industry-standard patching solutions

Qualifications:

Required:

  • Bachelor’s degree with 9 years of relevant experience (or 4 years of experience in lieu of a degree)
  • Active Secret clearance or higher
  • Strong ability to work collaboratively in a team setting as well as independently
  • Knowledge of IT security best practices
  • Familiarity with fundamental networking concepts
  • Proactive team player with excellent communication skills, capable of engaging with users and collaborating with technical staff
  • Proven ability to manage multiple tasks effectively under pressure, with a knack for reassessing priorities
  • Strong time and resource management skills
  • Proficient in various software applications, including MS Teams, Word, PowerPoint, Excel, Visio, Outlook, MS Project, and SharePoint
  • Experience in creating POAM milestones and ensuring compliance with DISA STIG releases and analysis
  • Ability to interpret IAVAs and address issues as required
  • Experience in building, operating, and maintaining Windows Server 2019/2022, RHEL 7/8/9, and/or CentOS servers

Desired:

  • Familiarity with VMWare ESXi, vCenter, and Site Recovery Manager
  • Knowledge of ADFS, Identity Management, PKI Certificates, etc.
  • Experience with Cisco Hyperflex technologies
  • Proficiency in scripting within PowerShell and/or Linux environments
  • Understanding of disk storage systems, including RAID and LUNs
  • Experience with NetApp storage solutions and file system technologies
  • Knowledge of managing container environments such as Docker and Kubernetes
  • Familiarity with code repositories and continuous integration servers like Gitlab and Jenkins
  • Experience in managing infrastructure services such as DNS, DHCP, and GPOs
  • Knowledge of application transport and network infrastructure protocols (SSL/TLS, DNS, DHCP, NTP, SSH, HTTP/S, SMTP, and Microsoft AD)
  • Relevant training or certification in Windows Server, Red Hat, NetApp, VMware, Broadcom, or other networking platforms
  • Experience applying DISA STIGs or SRGs, and familiarity with DoD, DoJ, and IC policies and procedures
  • Proficient in managing Active Directory, configuring Group Policy Objects (GPO), FSMO roles, DNS, and DHCP
  • Administration experience with Microsoft Exchange 2019/2022

SAIC continuously accepts applications and does not impose a deadline.

Covid Policy: SAIC does not mandate COVID-19 vaccinations or boosters. However, customer site vaccination requirements must be adhered to when working at a customer location.

SAIC is a leading technology integrator, addressing our nation's most intricate modernization and systems engineering challenges across defense, space, federal civilian, and intelligence sectors. Our extensive portfolio includes high-end solutions in systems engineering and integration, enterprise IT, cloud services, cybersecurity, software development, advanced analytics, simulation, and training. We are a dedicated team of 23,000 professionals driven by mission, united purpose, and inspired by opportunity. Headquartered in Reston, Virginia, SAIC boasts annual revenues of approximately $6.5 billion. For further details, please visit our website. EOE AA M/F/Vet/Disability



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