Senior System Administrator - ELK Stack - Military veterans preferred

ManTech (


  full-time   employee

United States

Where applicable, confirmation that you meet customer requirements for facility access which may include proof of vaccination and/or attestation and testing, unless an accommodation has been approved.

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 Senior Systems Administrator to join our team in Hanover, MD in June 2022.

Responsibilities include, but are not limited to:

  • Configure and maintain Elastic, Logstash, Kibana (ELK) stack
  • Perform system administration functions and build, configure, and maintain physical and virtual servers
  • Be responsible for system security and data integrity.
  • Ensure files are backed up as required and respond to management requests for information.
  • Collaborate with team members supporting our system so that the environment is stable and provide notification of any concerns or outages in advance.
  • Integrate new deployments, technologies and equipment into existing production environment.
  • Create and modify scripts as needed to automate repetitive tasks.
  • Monitor system performance, system/security logs and identifying potential issues with computer systems.
  • Provide technical guidance to other systems administrators.

Basic Qualifications:

  • Bachelor’s degree in a related field with ten (10) years experience in systems administration of hardware and software.  Without Bachelor of Science Degree, an additional 5 years of related experience is required
  • Experience in administration of UNIX and Windows operating systems, troubleshooting, and implementing enhancements to improve reliability and performance.
  • Experience with Linux command line and scripting
  • Experience with Security and Compliance
  • Creating and managing virtual environments (VMware)
  • Scripting experience (Bash, Shell, Python, Perl)
  • Must be a self-starter with a background in Unix/Linux and Windows systems administration and configuration.
  • Experience with administration and/or architecture of ELK (Elastic, Log Stash, Kibana) including
  • Diagnosing shard issues and repairing a cluster's health
  • Backing up and restoring a cluster and/or specific indices
  • Configuring a snapshot to be searchable
  • Configuring a cluster for cross-cluster search
  • Implementing cross-cluster replication
  • Defining role-based access control using Elasticsearch Security

Preferred Qualifications:

  • Elastic Engineer Certification
  • Experience with Python Scripting/programming
  • Experience with SaltStack

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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