Linux Administrator

Posted Yesterday
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Chantilly, VA, USA
In-Office
Senior level
Cloud • Information Technology • Software • Cybersecurity
The Role
Administer and sustain mission-critical Linux systems across cloud and on-premise environments. Responsibilities include configuring RHEL systems, supporting HPC clusters using Slurm and MPI, troubleshooting with government and contractor stakeholders, leading system improvements, remediating STIG/IAVA vulnerabilities, performing VM backups, supporting security exercises, scripting administrative tasks, and maintaining operational and security documentation.
Summary Generated by Built In

Location: Chantilly VA, Gaithersburg MD, Alexandria VA, St Louis MO

Clearance: TS/SCI

Required Certification: DOD 8570 (Security+)


Job Description:

The OST team has an opening for an experienced System Engineer with Linux system administration experience to support cloud and on-premise systems with a mission operations team. The team is involved in operation and sustainment of a mission-critical geospatial solution supporting DoW end users. A successful candidate will have experience with installation, configuration, administration, support and maintenance of mission critical cloud and on-premise systems.


Responsibilities:

Primary responsibilities will involve taking a leadership role in system changes and improvements; working directly with government and contractor POCs to troubleshoot issues; proactively recommend configuration changes to help improve system performance; regularly work with government and contractor POCs to keep systems security compliant; and author and update operational and security documentation, including troubleshooting guides and SOPs. Other tasks as assigned.

Core Qualifications:

  • Requires BS degree and 8+ years of prior relevant experience or Masters with 6+ years of prior relevant experience; OR additional years of experience in lieu of degree
  • Must currently possess an active TS/SCI Clearance with ability to obtain & maintain a Polygraph post hire
  • Must meet DOD 8570 Certification (Security+ or equivalent or higher)
  • Proactive self-starter demonstrating a positive, willing attitude and excellent oral and written communication skills
  • Demonstrated ability to adapt to new technologies and learn quickly
  • Organizational Skills: Can plan and prioritize work. Follows tasks to their logical conclusion and makes sure that everything has been done to the right standard. Good attention to detail.
  • Communications: Ability to communicate clearly and efficiently to team members and clients, verbally and in writing. Able to present ideas in a variety of ways depending upon audience and context.
  • Linux administration experience provisioning end users
  • Experience managing and configuring RHEL environments
  • Experience building, optimizing, and maintaining multi-node environments that run parallel workloads
  • Experience with Linux clusters, specifically Slurm and MPI, to support High-Performance Computing (HPC) systems
  • Strong understanding of NGA Networking
  • Proficient reviewing STIG/IAVA scans and remediating vulnerabilities
  • Experience performing Virtual Machine backups/snapshots
  • Experience working with Security to support ISCP exercises
  • Experience scripting for administration, configuration, troubleshooting, and automation
  • Knowledge of Systems, Architectural, SW Development and SW Sustainment Practices


    Preferred Qualifications:

  • Red Hat Certification(s)
  • Linux Certification(s)
  • Agile Certification(s)
  • Team Collaboration tools and administration (Jira, Confluence)


Skills Required

  • Bachelor's degree and 8+ years of relevant experience, or master's degree and 6+ years of relevant experience; additional experience may substitute for education
  • Active TS/SCI security clearance
  • Ability to obtain and maintain a polygraph after hire
  • DoD 8570 certification, such as Security+ or equivalent/higher
  • Linux administration experience provisioning end users
  • Experience managing and configuring RHEL environments
  • Experience building, optimizing, and maintaining multi-node environments for parallel workloads
  • Experience with Linux clusters, specifically Slurm and MPI, supporting HPC systems
  • Strong understanding of NGA Networking
  • Experience reviewing STIG/IAVA scans and remediating vulnerabilities
  • Experience performing virtual machine backups and snapshots
  • Experience supporting ISCP exercises with security teams
  • Scripting experience for administration, configuration, troubleshooting, and automation
  • Knowledge of systems, architectural, software development, and software sustainment practices
  • Strong oral and written communication skills
  • Red Hat certifications
  • Linux certifications
  • Agile certification
  • Experience administering Jira and Confluence
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The Company
87 Employees
Year Founded: 1996

What We Do

Open Systems Technologies Corporation is a technology solutions provider serving large enterprises and government entities. Founded in 1996, it delivers customized software development, technical assistance, systems integration, and enterprise security services. Its capabilities include cloud computing and virtualization, identity and access management, intrusion detection and monitoring, application performance monitoring, and other solutions that protect software assets and information-technology infrastructure across complex operational environments.

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