ECS

Principal Systems Engineer III (Unix/Linux)

ECS$100K — $130K *
Aerospace & Defense
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • Current Top-Secret Clearance, with the potential for SCI / CI-Poly
  • Red Hat Certified Systems Administrator (RHCSA) or higher certification
  • 8+ years of experience in Unix/Linux systems
  • Expertise in Red Hat Linux and Oracle Linux
  • Strong background in engineering solutions for multi-platform environments

Responsibilities

  • Serve as the advanced knowledge expert for Linux environments
  • Create and maintain bare-metal and virtual machines using tools like Satellite Server and Ansible
  • Provision and configure software onto servers, such as web servers and databases
  • Evaluate and enhance information security across the Linux infrastructure
  • Monitor and troubleshoot server issues and performance bottlenecks
  • Provide 4th level support and manage installed systems and infrastructure
  • Document system configurations and maintain technical documentation

Benefits

  • Opportunities for skill development and training
  • Exposure to cutting-edge technologies in systems engineering
  • Work with a team of highly skilled IT professionals
  • Engagement in high-stakes projects with national security implications
  • Ability to shape infrastructure strategy and operations
Full Job Description
The Contractor shall be responsible for the design, deployment, testing, certification, patching, addressing interoperability issues, not only of the base operating system, but for all support libraries, components, and application dependencies.
  • Position requirements and duties of the Principal Systems Engineer II (Unix/Linux)
  • Serve as the advanced knowledge expert for all Linux environments.
  • Create and maintain bare-metal and virtual machines with the appropriate distribution of Linux and network configuration, using tools that include Satellite Server, Ansible and BigFix.
  • Provision/configure the required software onto servers, such as web servers and databases.
  • Evaluate, improve, and maintain the information security throughout the Linux infrastructure.
  • Monitor and correct server issues and process for failures and performance bottlenecks.
  • Manage and monitor all installed systems and infrastructure.
  • Possess excellent knowledge base in DNS, DHCP, LDAP, SMTP, and integration with Windows to solve technical and functional issues.
  • Install, configure, test, and maintain operating systems, application software and system management tools.
  • Proactively ensure the highest levels of systems and infrastructure availability.
  • Monitor and test application performance for potential bottlenecks, identify possible solutions, and work with developers to implement those fixes.
  • Maintain security, backup, and redundancy strategies.
  • Write and maintain custom scripts to increase system efficiency and lower the human intervention time on any tasks.
  • Participate in the design of information and operational support systems.
  • Provide 4th level support.
  • Build new baselines with the appropriate security and access controls to include DISA STIGS and required security controls. Updated baselines will be required quarterly and new versions within 90 days of the manufacturer's release to production and full DISA STIGS.
  • Engineer multi factor authentication between Linux environments and the enterprise Windows infrastructure components.
  • Engineer solutions for baselines to operate in full standalone mode, domain mode, and fully integrated mode for all classification levels and enclaves.
  • Work with the developers to transition applications from one platform to another to include from physical to virtual and virtual to cloud.
  • Work with security components to resolve any security findings or vulnerabilities and apply fixes or updates as well as solutions to achieve closure.
  • Liaise with vendors and other IT personnel for problem resolution.
  • Ensure technical documentation exists for all systems and is kept up to date to include inventory and patch levels of all systems to include hostnames, property numbers, IP addresses, enclave, number of cores, number of processors, admin passwords, certificates, and service accounts on a monthly interval.
  • Integrate systems with Windows as it applies to authentication and core services dependencies such single sign-on and Active Directory. Engineer and implement solutions for multi factor authentication with FBI standardized software and hardware.
  • Document system configurations to include passwords, access controls, version number, and revision numbers, patch levels, and inventory to include hostnames, TCP/IP addresses, number of processors, and number of cores, memory, and license keys.
  • Continually transition knowledge to the Government staff through training and assistance on how to use the technology using industry best practices.


  • Must have a current Top-Secret Clearance with the capability of obtaining SCI / CI-Poly if needed to meet contract requirements.
  • Minimum of Red Hat Certified Systems Administrator (RHCSA) or higher certification.
  • 8+ years of experience required.
  • Systems Engineer skill set with focus on Unix/Linux based systems such as Red Hat Linux and Oracle Linux.

About ECS

ECS is a leading provider of digital solutions and services to the federal government. The company was founded in 2001 by Roy Kapani and has since grown to become a trusted partner to a wide range of government agencies. ECS offers a broad range of services, including cloud computing, cybersecurity, and artificial intelligence. The company has been recognized for its innovative solutions and has won numerous awards, including the AWS Public Sector Partner of the Year award.
Learn more about ECS
Size
2,000 employees
Industry

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