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:
- 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.
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