SECURE OUR NATION, IGNITE YOUR FUTURE

Become an integral part of a diverse team while working at an Industry Leading Organization, where our employees come first. At ManTech International Corporation, you’ll help protect our national security while working on innovative projects that offer opportunities for advancement.
Currently, ManTech is seeking a motivated, mission-oriented Systems Administrator, in the Chantilly, VA area, with strong customer relationships.
The Principal Linux Systems Administrator is responsible for providing a full range of IT support services & expertise to customer activities focusing on Linux administration & management, client & server environment services, & virtual environment services. You will demonstrate a proficient knowledge & understanding of client & server operations & maintenance with UNIX/Linux, virtual environments, backup, storage & recovery, & development of customer requirements. You will assist & gain experience with ServiceNow running on Linux integrated into a Windows domain. Moreover, you will contribute with experience & working knowledge with Information Assurance in support of ICD-503 compliance as it relates to building client & server images & upgrades for deployment. Lastly, you will provide administration of Linux systems integration into Windows Security Domains using LDAP for centralized user accounts & security group access.

REQUIRED QUALIFICATIONS:

• Bachelors Degree and 7 or more years of Linux Sys Admin experience OR HS Diploma/ GED and 10 or more years of Linux sys admin experience
• Security+ certification (active)
• Occasional travel, 25% CONUS

SECURITY CLEARANCE REQUIREMENTS:

Must possess an active TS/SCI with Polygraph

PHYSICAL REQUIREMENTS:

• Must be able to be in a stationary position more than 50% of the time
• Must be able to communicate, converse, & exchange information with peers & senior personnel
• Constantly operates a computer & other office productivity machinery, such as a computer
• Constantly positions self to maintain computers in the lab, including under the desks & in the server closet
• Frequently moves Audio/Visual or Computer equipment weighing up to 50 pounds across &/or around a business campus or large facility
  

  LI-CW1

For all positions requiring access to technology/software source code that is subject to export control laws, employment with the company is contingent on either verifying U.S.-person status or obtaining any necessary license. The applicant will be required to answer certain questions for export control purposes, and that information will be reviewed by compliance personnel to ensure compliance with federal law. ManTech may choose not to apply for a license for such individuals whose access to export-controlled technology or software source code may require authorization and may decline to proceed with an applicant on that basis alone.
ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment because of race, color, sex, religion, age, sexual orientation, gender identity and expression, national origin, marital status, physical or mental disability, status as a Disabled Veteran, Recently Separated Veteran, Active Duty Wartime or Campaign Badge Veteran, Armed Forces Services Medal, or any other characteristic protected by law.
If you require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please contact ManTech’s Corporate EEO Department at (703) 218-6000. ManTech is an affirmative action/equal opportunity employer - minorities, females, disabled and protected veterans are urged to apply. ManTech’s utilization of any external recruitment or job placement agency is predicated upon its full compliance with our equal opportunity/affirmative action policies. ManTech does not accept resumes from unsolicited recruiting firms. We pay no fees for unsolicited services.
If you are a qualified individual with a disability or a disabled veteran, you have the right to request an accommodation if you are unable or limited in your ability to use or access http://www.mantech.com/careers/Pages/careers.aspx as a result of your disability. To request an accommodation please click careers@mantech.com and provide your name and contact information

• Experience administering & managing Linux, OS & software, in physical & virtual server environments (including RedHat & CentOS)
• Perform as a Principal Linux Systems Administrator (Tier 3) supporting multiple networks (including network services)
• Provide Tier 3 engineering problem identification & resolution
• Installation, configuration, hardening, & maintenance of Linux operating systems & servers
• Analyze & resolve hardware & software problems associated with Linux operating systems & applications.
• Perform maintenance, repair & upgrade of hardware & software while interfacing with enterprise support
• Perform hardware & software troubleshooting & fault isolation with T4 vendor support
• Monitor network & Linux system performance; advise on compliance with security standards to include Linux IAVAs, vulnerabilities, updates, & remediation
• Experience with shell scripting languages, such as Linux Bash
• Provide support for the escalation & communication of status to senior management.
• Gather & refine information in support of customer requirements for implementation
• Working knowledge with ITIL Operations Management & Service Management