Linux Systems Administrator

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, career and customer-oriented Linux Systems Administrator to join our team in Quantico, VA.

This position requires the individuals(s) to be eligible and adjudicated to Top Secret (TS SCI) clearance level at contract start.

The Systems Engineer will maintain, update, and secure existing Linux systems on both classified and unclassified networks in support of Cyber investigations and operations. Candidate will be responsible for optimizing, maintaining, and securing Linux systems to ensure optimum performance with minimal downtime. Candidate may also be asked for creative contributions to improve existing processes and for surge support for various initiatives in areas related to their area of expertise.

Travel may be required to support operations.

Mandatory Qualifications:

Bachelors Degree and at least 4 years of experience as a Systems Administrator to include the following (additional years of experience may be substituted in lieu of degree):

• Extensive experience working with Red Hat Enterprise Linux 7.X, 8.X, 9.X, with a strong command-line interface (CLI) skillset.
• Experience securing Linux systems with DISA STIG requirements.
• Experience with Red Hat based tools such as Ansible and Red Hat Satellite.
• Familiarity with at least one common scripting language such as Python, Perl, bash, etc.

Preferred Qualifications:

• Experience with monitoring solutions such as Icinga2 or Nagios Experience and / or willingness to learn DevOps and Automation.
• Familiarity with the DIACAP and/or RMF accreditation processes, specifically with configuring Linux systems in compliance with the Security Technical Implementation Guides (STIGs).
• Experience with maintaining a secure, standard OS build process.
• Experience installing and managing PostgreSQL.

Physical Requirements

• Must be able to be in a stationary position more than 50% of the time

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.

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