Senior Linux Administrator

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:

• Ability to work 100% on customer site (no telework)
• Perform installations and patching of Linux and Windows operating systems
• Assist customers with the installation and updates of applications
• Install software and troubleshoot software install issues
• Monitor systems and preform hardware troubleshooting, tracking, resolution, and routine maintenance and security updates
• Ensure security protocols and standards are applied and tracked
• Perform system backups and provide data recovery
• Document processes and Standard Operating Procedures (SOP)
• Monitor resource usage, anticipate problems, and suggest solutions
• Manage production and development systems and provide higher-level technical support (Tier III) to clients when needed
• Work closely with colleagues to meet team goals and improve processes and practices
• Create and maintain documentation of the systems
• Conduct configuration, deployment, troubleshooting, and maintenance of various versions of Microsoft Windows OSs
• Conduct configuration, deployment, troubleshooting, and maintenance of various versions of RedHat Linux OSs
• Provide software and hardware support to the customer development team
• Setup and maintain offsite disaster recovery environment
• Review system and security logs and report to the team regarding incidents or potential threats to the network environment, systems, users, and/or infrastructure
• Work with load balancing, fail-over, and data replication technologies
• Utilize WSUS, Ivanti, and/or other industry patching solutions

Qualifications

Required:

• BS and 9 years of related experience (4 years experience in lieu of degree)
• Active Secret or above clearance
• Ability to work well in a team environment and independently when needed
• Understanding of IT security best practices
• Understanding of basic networking concepts
• 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
• Demonstrated ability to multi-task effectively under pressure with the ability to frequently re-assess priorities for multiple tasks or projects
• Strong time management and resource management capabilities
• Must have advanced working knowledge of a variety of computer software applications such as MS Teams, Word, PowerPoint, Excel, Visio, Outlook, MS Project, SharePoint
• Experience with creating POAM milestones, and compliance and ensuring application of DISA STIG releases and STIG results analysis
• Ability to understand IAVAs and remediate issues as needed
• Experience in building, operating, and maintaining Windows Server 2019/2022, RHEL 7/8/9 servers, and/or CentOS servers

Desired:

• VMWare ESXi / vCenter / Site Recovery Manager
• ADFS / ID Mgt / PKI Certs / etc.
• Cisco Hyperflex technologies
• Experience writing scripts in a PowerShell and/or Linux environment
• Understanding of disk storage systems (RAID, LUNs, etc.)
• Experience with NetApp storage products and file system technologies
• Managing container environments (e.g. Docker, Kubernetes, etc.)
• Experience working with code repositories and continuous integration (CI) servers like Gitlab, Jenkins, etc.
• Managing infrastructure services such as DNS, DHCP, GPOs, etc.
• 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
• 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
• Experience in the application of DISA STIGs or SRGs, DoD, DoJ, and/or IC policies and procedures
• Experience in managing Active Directory, configuring, and managing Group Policy Objects (GPO), FSMO roles, DNS, DHCP, etc.
• 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.