3 days old

Red Hat Linux System Administrator

Herndon, VA 20170
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Business Group Highlights

Civilian, State and Local

Perspectas Civilian, State and Local segment partners with the U.S. Federal Civilian State and Local governments to provide infrastructure services, business solutions, and digital transformation services that help them achieve policy objectives and integrate citizen-centric services.


Every day at Perspecta, we enable hundreds of thousands of people to take on our nation's most important work. We are a company founded on a diverse set of capabilities and skills, bound together by a single promise: we never stop solving our nation's most complex challenges. Our team of engineers, analysts, developers, investigators, integrators and architects work tirelessly to create innovative solutions. We continually push ourselves to respond, to adapt, to go further. To look ahead to the changing landscape and develop new and innovative ways to serve our customers.

Perspecta has an immediate need for aRed Hat Linux System Administrator to support the Continuous Diagnostic & Mitigation (CDM) Program. The CDM Program is a high-profile, high-visibility, cybersecurity modernization and risk management program where you can contribute innovative solutions and consult with government agencies to enhance their Information Assurance (IA) programs and continuous monitoring capabilities.

The selected Red Hat Linux System Administrator responsibilities will include:

  • Maintain, update, and secure existing Red Hat Linux systems in VMs and in the Cloud as well as manage an existing Elasticsearch clusters in support of Cyber investigations and operations.
  • Responsible for optimizing the Elasticsearch stack and Linux systems to ensure optimum performance with minimal downtime.
  • Support hardening of OS, maintain user access, and support secure communication across the Linux systems.
  • Perform YUM updates and be aware and communicate critical vulnerabilities and determine impact of the updates to the functionality of the Elasticsearch stack applications.
  • Update YAML file for configuration of applications.
  • Improve existing processes and for surge support for various initiatives in areas related to their area of expertise.



  • BS in Information Technology or related field
  • 6+ years experience of Red Hat Linux administration, including system design, configuration, maintenance, upgrade and administration, extensive experience working with Red Hat Enterprise Linux 6.X or 7.X, and CENTOS with a strong command-line interface (CLI) skillset
  • Experience with Linux security, SSL/TLS, certificates, encryption, key stores, firewalls, management of PAM authentication, configuring system auditing and configuring SELinux.
  • Experience securing Linux systems, including conducting regular patches and updates and configuring ip-tables.
  • Experience/knowledge of virtualization (VMWare, RHEL, etc.)
  • Experience in the installation, configuration, and maintenance of both open source licensed and Commercial-off-the-Shelf software tools.
  • Demonstrated success in automating server builds, standardizing images, and managing Linux systems via central management tools such as Satellite, Ansible, or Puppet, etc.
  • Familiarity with at least one common scripting language such as Python, Perl, bash, curl commands, etc.
  • Ability to understand, identify, and work with containerization features (Docker, OpenShift).
  • Experience with AWS Cloud, Azure Cloud, or Cloud implementations and environments
  • Extensive knowledge and experience with information security standards, policies and practices NIST SP 800-53 rev4, SP 800-37 rev2, FIPS-199, DHS 4300A. Use OpenSCAP and other tools to audit security policy compliance
  • Strong understanding of infrastructure technologies and functionalities (e.g., firewalls, Windows/Linux servers, Active Directory (AD), Splunk, Solarwinds, CyberArk, etc.)
  • Excellent user interface / interpersonal / written and verbal communication skills
  • The ability to operate in a team environment consisting of both internal and external members, co-workers and customers and attend and discuss tasks in daily agile sprint meetings
  • Experience with handling files, directories, and command-line environments
  • Experience with operating systems, including booting into different run levels, identifying processes, starting and stopping virtual machines, and controlling services
  • Experience with configuring local storage using partitions and logical volumes
  • Experience with file systems and file system attributes, such as permissions, encryption, access control lists, and network file systems
  • Ability to deploy, configure, and maintain systems, including software installation, update, and core services
  • Must have excellent verbal and written communication skills as this position will interact with peers and customers
  • FedRAMP experience a plus
  • Experience with DHS Continuous Diagnostics and Mitigation (CDM) a plus

Desired Skills

  • Experience building and maintaining Elasticsearch 5.X, 6.X, and/or 7.X solutions
  • Experience optimizing Elasticsearch data structures to support structured and unstructured data.
  • Familiarity with the DIACAP and/or RMF accreditation processes, specifically with configuring
  • Linux systems in compliance with the Security Technical Implementation Guides (STIGs).
  • Familiarity with Security guidelines such as STIG and CIS Bind DNS PXE Booting RHEL IdM PureStorage Flash Array Dell Equal logic PS & FS series
  • Experience with maintaining a secure, standard OS build process.

Security/Clearance Requirements

  • Must be a US citizen and pass a background investigation.
  • Able to obtain and maintain a DHS Suitability/Entry on Duty (EOD).
  • Active Secret or Top Secret clearance desired.

About Perspecta

What matters to our nation, is what matters to us. At Perspecta, everything we do, from conducting innovative research to cultivating strong relationships, supports one imperative: ensuring that your work succeeds. Our company was formed to bring a broad array of capabilities to all parts of the public sectorfrom investigative services and IT strategy to systems work and next-generation engineering.

Our promise is simple: never stop solving our nations most complex challenges. And with a workforce of approximately 14,000, more than 48 percent of which is cleared, we have been trusted to just that, as a partner of choice across the entire sector.

Perspecta is an AA/EEO Employer - Minorities/Women/Veterans/Disabled and other protected categories.

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As a government contractor, Perspecta abides by the following provision
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)


  • Information Technology
Posted: 2020-05-26 Expires: 2020-06-27

With offerings in mission services, digital transformation and enterprise operations, our team of 14,000 engineers, analysts, investigators and architects work tirelessly to create innovative solutions. We have the expertise and experience not only to devise solutions, but to execute on them successfully.

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