Sr. Systems Administrator

ManTech (


  Full Time   Employee   Contractor

United States

ManTech's Mission, Cyber and Intelligence Solutions Group is looking for a Senior Systems Administrator! Become an integral part of a diverse team that leads the world in Mission, Cyber, and Intelligence Solutions. At ManTech International Corporation, you will help protect our national security while working on innovative projects that offer opportunities for advancement. In support of information operations you will conduct a variety of tasks related to the conception, development, operation, and maintenance of complex technology systems. You will be responsible for collaborating and coordinating activities with intelligence community members.

Must Have:
Experience with Linux systems administration, including:
•Red Hat based Linux distributions
•mysql, apache, php
•bind, ntpd, dhcpd
•iptables, SELinux troubleshooting and policy configuration/creation

Windows Server systems administration including experience with:
•Active Directory, DNS, & Group Policy
•WSUS (aka Windows Server Update Services)
•Microsoft SQL Server

Troubleshooting of Storage Technologies
•ext4, xfs, ntfs
•nfs, smb

High level knowledge of TCP/IP networking, including the ability to work with and configure:
•vPC, FEX, VLANs, VMware vSwitches

•Experience scripting or programming with Python and/or Bash
•Extensive experience with defensive security best practices
•Experience with interdisciplinary project management for short turnaround tasks

Extra Credit:
•Microsoft SharePoint
•Hands on experience with multiple virtualization technologies (e.g. vSphere, KVM/oVirt, Hyper-V, OpenStack, Docker, Rocket (rkt), vagrant, etc...)
•tftp, pxe, kickstart
•nagios, rsyslog, cacti, snmp
•Knowledge of stand-alone automated configuration management systems (e.g. Spacewalk, Puppet, SaltStack, Ansible, etc)
•multiple Linux distributions (Debian based, SLES, etc...)
•postgresql, MongoDB
•Fibre Channel switching and zoning
•zfs, snfs, cephfs, vmfs, glusterfs, iscsi

Security Clearance: Candidates must hold an active TS/SCI with a Fullscope polygraph (Green Badge Preferred).


To apply for this job, contact:
Human Resources

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