Returning Candidate?

Principal Systems Engineer III (Unix/Linux) CLIN 3

Principal Systems Engineer III (Unix/Linux) CLIN 3

Job ID 
Job Locations 
Information Technology

More information about this job


The Principal Systems Engineer III (Unix/Linux) shall be responsible for design, deployment, testing, certification, patching, addressing interoperability issues, not only of the base operating system, but for all support libraries, components and application dependencies. CLIN 3


Top Secret


  • The Contractor shall engineer, design, install, implement, and configure systems as well as provide ongoing support of the Unix/Linux
  • The Contractor shall serve as the subject matter expert (SME) for all Linux
  • The Contractor shall create and maintain bare-metal and virtual machines with the appropriate distribution and patch levels of Linux and network configuration, using tools that include Satellite Server, Puppet and
  • The Contractor shall provision/configure required software onto servers, such as web servers and
  • The Contractor shall evaluate, improve, and maintain the information security throughout the Linux
  • The Contractor shall monitor and correct critical server issues and create recovery processes for failures and performance
  • The Contractor shall manage and monitor all installed systems and
  • The Contractor shall possess excellent knowledge base in DNS, DHCP, LDAP, SMTP, and integration with Windows to solve technical or functional
  • The Contractor shall install, configure, test and maintain operating systems, application software and system management
  • The Contractor shall proactively ensure the highest levels of systems and infrastructure availability
  • The Contractor shall monitor and test application performance for potential bottlenecks, identify possible solutions, and work with developers to implement those fixes
  • The Contractor shall maintain security, backup, and redundancy strategies
  • The Contractor shall write and maintain custom scripts to increase system efficiency and lower the human intervention time on any tasks
  • The Contractor shall participate in the design of information and operational support systems
  • The Contractor shall provide 4th level support
  • The Contractor shall 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
  • The Contractor shall engineer multi factor authentication between Linux environments and the enterprise Windows infrastructure
  • The Contractor shall engineer solutions for baselines to operate in full standalone mode, domain mode, and fully integrated mode for all classification levels and
  • The Contractor shall work with the developers to transition applications from one platform to another to include from physical to virtual and virtual to
  • The Contractor shall work with security components to resolve any security findings or vulnerabilities and apply fixes or updates as well as solutions to achieve
  • The Contractor shall liaise with vendors and other IT personnel for problem resolution
  • The Contractor shall 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, and number of processors, admin passwords, certificates, and service accounts on a monthly interval
  • The Contractor shall 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.
  • The Contractor shall 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
  • The Contractor shall continually transition knowledge to the government staff through training and assistance on how to use the technology using industry best


  • Red Hat Certified Engineer (RHCE),
  • 10+ years of experience
  • Systems Engineer skill set with focus on Unix based systems such as Red Hat Linux, Solaris, SuSE, and CentOS

Desired Qualifications

  • Bachelor's Degree preferred

Buchanan & Edwards, Inc. (BE) is an Information Technology and Professional Services consulting firm located in Arlington, VA. BE is a diversified high-technology services company, providing government, commercial and nonprofit agencies technology solutions and organizational management services to ensure mission success. Serving the federal sector since 1998, we base our solutions on an in-depth understanding of our clients, their mission and the unique challenges they face. BE is the winner of the 2015 Microsoft U.S. Federal Solution Partner of the Year award, a 2015 and 2016 Washington Post Top Workplace and has been an Inc. 500/5000 awardee for six consecutive years.


Buchanan & Edwards, Inc. is dedicated to fostering, cultivating and preserving a culture of diversity and inclusion. We are committed to crafting a workplace that endorses creativity and innovation, and promotes engagement through open communication, acceptance of new people and ideas, and a supportive team dynamic. Buchanan & Edwards, Inc. is an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability status, protected veteran status, or any other characteristic protected by law. EOE Minority/Female/Veteran/Disabled. Buchanan & Edwards, Inc. is an E-Verify employer.