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Senior Linux Administrator
4 weeks ago
Description
SAIC is looking for a Senior Linux Administrator to support an IT program at Untied Status Marshalls Service (USMS). In this position you will work with a team that provides computing capabilities and in-depth support for our clients and users. The team builds and maintains user environments, delivers subject matter expert support, and application-level software and tools.
Job Responsibilities:
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Ability to work 100% on customer site (no telework)
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Perform installations and patching of Linux and Windows operating systems
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Assist customers with the installation and updates of applications
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Install software and troubleshoot software install issues
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Monitor systems and preform hardware troubleshooting, tracking, resolution, and routine maintenance and security updates
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Ensure security protocols and standards are applied and tracked
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Perform system backups and provide data recovery
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Document processes and Standard Operating Procedures (SOP)
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Monitor resource usage, anticipate problems, and suggest solutions
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Manage production and development systems and provide higher-level technical support (Tier III) to clients when needed
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Work closely with colleagues to meet team goals and improve processes and practices
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Create and maintain documentation of the systems
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Conduct configuration, deployment, troubleshooting, and maintenance of various versions of Microsoft Windows OSs
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Conduct configuration, deployment, troubleshooting, and maintenance of various versions of RedHat Linux OSs
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Provide software and hardware support to the customer development team
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Setup and maintain offsite disaster recovery environment
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Review system and security logs and report to the team regarding incidents or potential threats to the network environment, systems, users, and/or infrastructure
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Work with load balancing, fail-over, and data replication technologies
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Utilize WSUS, Ivanti, and/or other industry patching solutions
Qualifications
Required:
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BS and 9 years of related experience (4 years experience in lieu of degree)
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Active Secret or above clearance
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Ability to work well in a team environment and independently when needed
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Understanding of IT security best practices
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Understanding of basic networking concepts
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Outgoing team player and self-motivated individual with excellent communication skills with the ability and desire to interact with all users and work closely with other technical staff or independently
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Demonstrated ability to multi-task effectively under pressure with the ability to frequently re-assess priorities for multiple tasks or projects
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Strong time management and resource management capabilities
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Must have advanced working knowledge of a variety of computer software applications such as MS Teams, Word, PowerPoint, Excel, Visio, Outlook, MS Project, SharePoint
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Experience with creating POAM milestones, and compliance and ensuring application of DISA STIG releases and STIG results analysis
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Ability to understand IAVAs and remediate issues as needed
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Experience in building, operating, and maintaining Windows Server 2019/2022, RHEL 7/8/9 servers, and/or CentOS servers
Desired:
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VMWare ESXi / vCenter / Site Recovery Manager
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ADFS / ID Mgt / PKI Certs / etc.
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Cisco Hyperflex technologies
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Experience writing scripts in a PowerShell and/or Linux environment
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Understanding of disk storage systems (RAID, LUNs, etc.)
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Experience with NetApp storage products and file system technologies
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Managing container environments (e.g. Docker, Kubernetes, etc.)
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Experience working with code repositories and continuous integration (CI) servers like Gitlab, Jenkins, etc.
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Managing infrastructure services such as DNS, DHCP, GPOs, etc.
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Knowledgeable in application transport and network infrastructure protocols (SSL/TLS, DNS, DHCP, NTP, SSH, HTTP/S, SMTP, and Microsoft AD), and possess an understanding of how to support these applications/protocols
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Possess computing environment training or certification in any of the following: Windows Server, Red Hat, NetApp, VMware, Broadcom, and/or Cisco or other networking platforms
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Experience in the application of DISA STIGs or SRGs, DoD, DoJ, and/or IC policies and procedures
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Experience in managing Active Directory, configuring, and managing Group Policy Objects (GPO), FSMO roles, DNS, DHCP, etc.
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Microsoft Exchange 2019/2022 administration
SAIC accepts applications on an ongoing basis and there is no deadline.
Covid Policy: SAIC does not require COVID-19 vaccinations or boosters. Customer site vaccination requirements must be followed when work is performed at a customer site. REQNUMBER: 2410461
SAIC is a premier technology integrator, solving our nation's most complex modernization and systems engineering challenges across the defense, space, federal civilian, and intelligence markets. Our robust portfolio of offerings includes high-end solutions in systems engineering and integration; enterprise IT, including cloud services; cyber; software; advanced analytics and simulation; and training. We are a team of 23,000 strong driven by mission, united purpose, and inspired by opportunity. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $6.5 billion. For more information, visit saic.com. For information on the benefits SAIC offers, see Working at SAIC. EOE AA M/F/Vet/Disability
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