Systems Administrator Intermediate Principal - Linux

Type of Requisition:

Regular

Clearance Level Must Currently Possess:

Top Secret/SCI

Clearance Level Must Be Able to Obtain:

Top Secret SCI + Polygraph

Public Trust/Other Required:

None

Job Family:

IT Infrastructure and Operations

Job Qualifications:

Skills:

Linux, Microsoft Server Operating Systems, Microsoft Windows Environment

Certifications:

None

Experience:

8 + years of related experience

US Citizenship Required:

Yes

Job Description:

**********$10K Sign-on bonus**********

Job Summary: We are seeking a highly skilled Systems Administrator Intermediate Principal with a focus on Linux. The role involves performing in-depth analysis and technical support of systems, addressing complex problems, and integrating systems operationally.

Key Responsibilities:

• Responsible for in-depth analysis and technical support of systems, including complex problem resolution, design, development, testing, operational integration, and user support.

• Manage a very complex enterprise environment with over 600 servers (physical and virtual) across 12+ domains.

• Handle production, test, and development enclaves.

• Provide operating systems planning and evaluation for performance analysis, capacity planning, and hardware upgrades.

• Offer specialized expertise within multiple IT systems such as Windows 2019/2022 server, Red Hat Enterprise Linux, VMware hypervisor, and general knowledge of related disciplines.

• Perform installation, administration, troubleshooting, and support of server operating systems/services, storage, and Data Center solutions.

• Oversee the implementation, integration, testing, and documentation of system specifications.

• Exhibit strong technical skills in various systems and storage technologies including Windows Server 2019/2022, Microsoft SQL Server, DNS, DFS, Active Directory, Group Policy Management, DHCP, IIS, VMware ESXi 8, NetApp ONTAP, Cisco UCS/Nexus, ACAS, SCCM, and Hyper-V.

• Core Systems: Domain Controllers, Linux servers, DNS, VMware, HPE Blade System, Storage switches.

• Supplemental Systems/Software: SQL, Backups, DHCP, PowerShell, Ansible, Share/NFTS permissions, DFS, CIFS, NFS, NETAPP, Red Hat Enterprise Linux 8, Red Hat Clustering.

• System administration and IT certification in Linux, Microsoft, or other network-related fields required.

• Working knowledge of administration and maintenance of Bare Metal hypervisors (VMWare, XenServer, Hyper-V, etc.).

• Working knowledge of administration and maintenance of configuration management/automation tools (Ansible, Puppet, Chef, etc.).

• Working knowledge of administration and maintenance of Unix/Linux Operating System.

• Working knowledge of SAN storage configuration and maintenance.

• Working knowledge of basic enterprise networking configuration and maintenance; routing, redistribution, ACLs, NAT, VPN, Layer 2/3 switching, monitoring solutions (Solarwinds/Splunk), encryption devices (KG175, KG250, etc.).

Knowledge, Skills, and Abilities:

• Must be hands-on with systems and technology.

• Minimum of 8 years of experience working in a Linux and Windows environment (Windows Server 2019/2022, RHEL, Oracle Linux, etc.).

• Hands-on experience configuring, administering, and creating scripts in a complex environment.

• Experience with troubleshooting and issue resolution principles, methodologies, and techniques.

• Basic knowledge of Oracle and SQL database management.

• Advanced knowledge of virtualization (VMware or equivalent).

• Working knowledge of systems and networking software, hardware, and networking protocols.

• Strong knowledge of implementing and developing helpdesk and IT operations best practices, including security, storage, data protection, and disaster recovery protocols.

• Experience with scripting and automation tools.

• Good communication skills, including effective listening, tact, and follow-through.

Security Requirements:

• Must have a TS/SCI security clearance and be eligible for CI Poly.

Education and Certification Requirements:

• BA/BS or equivalent with 8+ years of experience working in the Information Technology field.

• DoDI 8570.01M/8140 Certification required.

GDIT IS YOUR PLA