Linux Engineer

Aberdeen Proving Ground, MD
Information Technology /
Regular /
Agile Defense provides leading-edge Digital Transformation solutions to support and advance our customers' mission. We deliver innovative and high-quality services to our customers worldwide through an empowered and engaged workforce.

Requisition #:LINUX003988

Job Title: Linux Engineer

Location: Aberdeen Proving Grounds Aberdeen, Maryland 21005 (Hybrid)

Clearance Level: Active DoD - Secret

Required Certification(s): 
DoD IAT Level II Certification.
Linux Computing Environment Certification (Must obtain within 90 days of starting).

The U.S. Army Research Laboratory (ARL) of the U.S. Army Research Development and Engineering Command (RDECOM) is the Army’s corporate laboratory. It’s a diverse assortment of unique facilities and a dedicated workforce of government and private sector partners make up the largest source of world-class integrated research and analysis in the U.S. Army. ARL discovers, innovates and transitions research in order to provide the best technologies for our Soldiers. ARL’s program consists of basic and applied research and survivability/lethality and human factors analysis.
The Linux Systems Administrator/Engineer - Vulnerability Remediation Team will be responsible for the remediation, patching, and upgrading of all Linux systems within the Army Research Lab Enterprise Environment. This position requires the use of scripting, automation, and 3rd party remediation tools to efficiently manage vulnerabilities. Experience working in centralized management environments using remote access techniques is required.

Create automated patch deployments using Ansible, Tanium, and Puppet to patch and upgrade RedHat Servers and Endpoints.
Interpret Nessus scan results to develop remediation strategies for efficient patching.
Prevent the blocking of systems by remediating all vulnerabilities within 30 days of publication.
Conduct STIG scans and validation to ensure compliance with all applicable security controls.
Test patches and upgrades.
Process Change Requests for Patch Deployments.


Required Certifications
DoD IAT Level II Certification.
Linux Computing Environment Certification (Must obtain within 90 days of starting).

Education, Background, and Years of Experience
Bachelor’s Degree in Computer Science, Information Technology or Related Field.
Meet or Exceed IAT II 8570 baseline certification requirements.
RedHat or Ansible Certifications desired.
Strong background in RMF, STIG and compliance.


Required Skills
7-10 years of combined Education and Experience administering Linux systems in an enterprise environment.

Preferred Skills
RedHat or CentOS


Environmental Conditions
Contractor site with 0%-10% travel possible. Possible off-hours work to support releases and outages. General office environment. Work is generally sedentary in nature, but may require standing and walking for up to 10% of the time. The working environment is generally favorable. Lighting and temperature are adequate, and there are not hazardous or unpleasant conditions caused by noise, dust, etc. Work is generally performed within an office environment, with standard office equipment available.
Hybrid, Hybrid schedule to be determined with hiring manager once fully brought up to speed. Initial on site work required. 

Strength Demands
Sedentary – 10 lbs. Maximum lifting, occasional lift/carry of small articles. Some occasional walking or standing may be required.   Jobs are sedentary if walking and standing are required only occasionally, and all other sedentary criteria are met.

Physical Requirements
Stand or Sit; Walk; Use Hands / Fingers to Handle or Feel; Stoop, Kneel, Crouch, or Crawl; See
Employees of Agile Defense are our number one priority, and the importance we place on our culture here is fundamental. Our culture is alive and evolving, but it always stays true to its roots. Here, you are valued as a family member, and we believe that we can accomplish great things together. Agile Defense has been highly successful in the past few years due to our employees and the culture we create together. We believe several attributes are the root of our very best employees and extraordinary culture. We have named these attributes “The 6 H’s” – Happy, Helpful, Honest, Humble, Hungry, and Hustle.

Happy: We exhibit a positive outlook in order to create a positive environment.
Helpful: We assist each other and pull together as teammates to deliver.
Honest: We conduct our business with integrity.
Humble: We recognize that success is not achieved alone, that there is always more to learn, and that no task is below us.
Hungry: We desire to consistently improve.
Hustle: We work hard and get after it.

These Core Values are present in all our employees and our organization's aspects. Learn more about us and our culture by visiting us here.

COVID-19 Vaccination Requirements
Agile Defense is subject to federal vaccine mandates or other customer/facility vaccination requirements as a federal contractor. As such, to protect its employees' health and safety and comply with customer requirements, Agile Defense may require employees in certain positions to be fully vaccinated against COVID-19. Vaccination requirements will depend on the status of the federal contractor mandate and customer site requirements.

Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities
The contractor will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractor’s legal duty to furnish information. 41 CFR 60-1.35(c)