Senior Dev Ops Engineer


The Johns Hopkins University Applied Physics Laboratory (APL), a national leader in scientific research and development, located midway between Baltimore and Washington, DC is seeking a Systems Administrator. The Air and Missile Defense Sector creates innovative solutions to our Nation's most difficult challenges posed by evolving aircraft, missile, and surface threats. Contribute to this mission by joining the Technical Facilities Systems Administration Group (ADX).

Job Summary:

Support APL's Air and Missile Defense Sector in classified and unclassified Linux environments. Quickly understand needs, from a user perspective, and move from there to a strategy for proper implementation in a High Performance Computing (HPC) environment. Assist users in developing and adapting their code to best practices and improve performance. Coding, configuring tools, and integrating technologies across disparate platforms is required. This may include a deep understanding of systems, data structures, modern scripting and enterprise level languages as well as available software tools that can and should be leveraged to address issues. Problem solving and self-reliance are critical to success.


  • Software Development - Support the development of solutions for High Performance Computation (HPC) and write code to integrate systems and build configurations to drive and innovate around our server and HPC based platform across the AMDS organization.
  • Technical Support - Support Linux system software and leverage technologies such as Bash, Python, Git, Jenkins, C , MPI, Matlab, and other scientific software to support deliverables.
  • User OutreachInteract with users to instruct them on best practices, optimization techniques and usage policies in an HPC environment.
  • Configuration Management – Support the automation of configuration management tasks using common tools such as Ansible or Puppet. Develop code that simplifies development work and make our work more consistent and predictable. Automate validation tests and ensure all systems can easily be monitored.
  • Security - Ensure information technology systems meet NISPOM Chapter 8 security requirements. Work with facility AISSO to ensure compliance with security policies, procedures and practices.

  • Note: This job summary and listing of duties is for the purpose of describing the position and its essential functions at time of hire and may change over time.

Required Qualifications:
  • Bachelor's degree in Computer Science or 5 (five) years' experience working as a software engineer, and 2 (two) years' experience in High Performance Computing
  • Experience with configuration management tools.
  • Ability to troubleshoot problems in computer networks, computer hardware, and Linux operating system configuration and operation.
  • Ability and desire to work well with a wide variety of end-users with differing needs and experience.
  • Strong organizational skills, ability to work in a team and independently as well as multi-task effectively.
  • Active Secret or Top Secret or ability to obtain Secret clearance and Security CE Certification.

Desired Qualifications:
  • Expertise in managing Redhat/CentOS Linux, Solaris.
  • Knowledge of classified computer facility operational procedures and NISPOM, DSS, or other DOD security regimes.
  • Experience with heterogeneous Windows and Linux environments and data center operations including infrastructure, systems monitoring, and computer clusters of 100 computers.
  • Hands-on experience with most of the following enterprise storage technologies: NFS/RAID/ISCSI/ZFS.
  • Ability to develop scripts to automate repeatable tasks.
  • Proven ability and interest in documenting systems and operational procedures.
  • Preference for current security clearance.

Special Working Conditions: Must be able to perform moderate lifting to move computer and network equipment. Some work outside normal working hours and on weekends must be performed for operations and maintenance.

Security: Applicant selected will be subject to a government security clearance investigation and must meet the requirements for access to classified information. Eligibility requirements include U.S. citizenship.

Benefits: APL offers a comprehensive benefits package including a liberal vacation plan, a matching retirement program, significant educational assistance, a scholarship tuition program for staff with dependents, and competitive salaries commensurate with skills and experience. For more information about our organization, please visit our web site at

Equal Employment Opportunity: Johns Hopkins University/Applied Physics Laboratory (APL) is an Equal Opportunity/Affirmative Action employer that complies with Title IX of the Education Amendments Acts of 1972, as well as other applicable laws. All qualified applicants will receive consideration for employment without regard to race, color, religion, sexual orientation, gender identity, national origin, disability, or protected Veteran status.

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