Principal Linux System Administrator

Public Trust: None

Requisition Type: Regular

Your Impact

Own your opportunity to work with the largest government agency in the nation. Make an impact by advancing the Department of Defense’s mission to keep our country safe and secure.

Job Description

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

A Senior Linux System Administrator Maintains an organization's computer systems' workflows and is responsible for the upkeep, configuration, and reliable operation of computer systems, including fixing network issues along with updating equipment and software

*Classified work and must be on-site

• Environment is 80% or more Linux/UNIX and 20% or less Windows with 600+ Physical and virtual servers covering various levels of very complex classified systems and networks.

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

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

• Provide specialized expertise within multiple IT systems such as: Windows 2016/2019 server, Red Hat Enterprise Linux, VMWare hypervisor, VMWare Horizon, as well as general knowledge of related disciplines. This would include performing installation, administration, troubleshooting and support of server operating systems/services, storage, and Data Center solutions.

• Oversee the implementation of system specifications; integration, testing, and documentation are a key part of the role.

• Exhibit strong technical skills as they relate to numerous systems and storage technologies including but not limited to: Windows Server 2016/2019, Microsoft SQL Server, DC’s/DNS, DFS, Active Directory, Group Policy Management, DHCP, IIS, VMware ESXi 7, NetApp ONTAP, Cisco UCS/Nexus, ACAS , SCCM, Hyper-V.

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

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

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

• Supplemental Systems / Software: SQL, Backups, DHCP, Puppet, Ansible, Share/NFTS permissions, DFS, CIFS, NFS, NETAPP, Red Hat Enterprise Linux 7, 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!

• Must have 10+ years working in a Linux or Windows Environment (Windows Server 2016/2019, RHEL, CentOS, etc.)

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

• Basic knowledge 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 effectively developing helpdesk and IT operations best practices; including expert knowledge of security, storage, data protection, and disaster recovery protocols

• Experience with scripting and automation tools

• Good communications skills; shows tact, effective listening skills and follow through

Security Requirements

• Must have a Top Secret-SCI security clearance

Education and Certification Requirements

• ITIL v3 Certification preferred

• DoDI 8570.01m Certification required

Work Requirements

Years of Experience

8 + years of related experience

* may vary based on technical training, certification(s), or degree

Certification

Security+, CE - Sec+ CE - CompTIA - CompTIA

Travel Required

None

Citizenship

U.S. Citizenship Required