The Maryland Advanced Research Computing Center (MARCC) is seeking a highly qualified and motivated HPC Sr Systems Engineer to join the systems team. This system, with over 23,000 cores and several petabytes of storage, serves the HPC and data intensive science needs of researchers in the UMCP and Johns Hopkins schools. The Sr Systems Engineer contributes to the strategic planning, design, testing, organization and implementation of cutting-edge technology projects for the facility. The systems team is responsible for the day to day administration of HPC clusters, High Performance storage systems, backups, networking, security and any other services related to the operation of a large HPC center. The successful candidate will have experience in similar roles in high performance computing (HPC) labs or university settings.
Specific Duties & Responsibilities:
Essential Duties & Responsibilities
Systems Engineering, Administration, Security, and Oversight
Design, organize, plan, test and implement cutting-edge hardware designs for an HPC environment
Extensively document systems processes so that users can easily find useful information and other IT staff can perform routine tasks and provide backup.
Provides stable solutions for HPC resources
Maintain job scheduling and storage allocation systems and policies to ensure fair allocation of shared resources.
Maintain extensive monitoring systems to facilitate quick, proactive responses to routine failures, and to provide comprehensive performance data logging.
Provide general system administration backup and escalation for other staff.
Consult with and provide expertise to building engineers and other staff on new facilities to be under control of MARCC.
Assist with facilities-related issues that directly affect MARCC
Ensure resources meet the community’s needs and are highly available to the group with limited interruption.
Manage inventory of resources in coordination with respective vendors
Automate user account creation, management, and purging.
Contribute to planning sessions on network and security issues for MARCC. Work closely with the central networking group.
Implement network configuration and security measures to assure effective utilization of resources.
Understand HPC technical needs. Work closely with the facility’s director and oversight groups to successfully implement policies and procedures.
Create and maintain a stable, secure operating system and software environment, which continues to meet users’ evolving research needs.
Implement and maintain secure measures to protect data subject to restrictions
Manage data access restrictions on a per user and group basis
Implement and maintain monitoring measures for data and system access
Other Systems Tasks as assigned by supervisor
Use of configuration management tools (e.g. Bright, xCAT, puppet, IPMI, ROCKS) to help maintain large-scale Linux clusters, supercomputers, storage systems, and smaller systems.
Plan for and deployment of patches and updates to the operating system and application software.
Develop reports and customize tools that automate the monitoring process of critical systems and alert team of issues automatically.
Evaluate, implement and manage appropriate high level complex software and hardware solutions by using best practices for the environment to ensure system integrity.
Install and configure infrastructure applications by following industry best practices to deliver effective solutions.
Maintain an effective schedule for systems backups and archive operations for mission critical systems.
Audit and maintain user access, authorization and authentication.
Generate periodic reports on resource utilization.
Maintain resource inventory using best practice applications.
Troubleshoot and solve difficult system issues as they arise.
Maintain effective and thorough documentation of all configuration and tasks performed.
Research, recommend, and implement new technologies based on their value to the research facility.
B. Technological Research:
Architect future clusters, and plan the retirement of aging systems.
Offer technical advice on new projects that directly involve HPC computing at Hopkins.
Develop custom tools where necessary, and contribute useful creations back to open source development efforts where appropriate.
Research and implement new technologies that could be beneficial to HPC.
Test and vet new technology in support of HPC efforts
Work with vendors to procure prototypes and demo units
Continuously evaluate new tools and technologies for use in existing and future clusters.
Attend department and University-sponsored training to increase knowledge, improve skills, and learn new skills. May substitute University training for supervisor approved commercial job related course offerings.
Minimum Qualifications (Mandatory):
Six years related experience.
Additional education can be substituted for experience and Additional experience can be substituted for education.
Equivalence Formula: 30 undergraduate degree credits or 18 graduate degree credits = 1 year of experience. For jobs where equivalence is permitted, up to two years of non-related college course-work may be applied towards the total minimum education/experience required for the respective job.
Master’s degree preferred. Formal training in computational science or engineering is desirable.
Minimum 7 years managing Linux servers, with direct experience managing HPC clusters.
Experience as a high-level Linux system administrator.
Experience managing mission critical services.
Familiarity with configuration of the HPC software stack, including MPI, OpenMP, Intel, and GNU compilers, Math libraries.
Experience with open source software compilation.
In-depth knowledge of TCP/IP networking and related protocols, InfiniBand, etc.
Experience with scientific application management packages like pymodules, modules.
Excellent scripting skills, python, perl, shell.
Ability to maintain confidentiality.
Excellent customer service skills.
Excellent communication skills.
Must demonstrate strong critical thinking and analytical reasoning.
Programming skills in C, C++, or scientific language, desired but not required.
Experience with MySQL or Mariadb database programming, desired but not required.
Expert level knowledge of configuration management and monitoring tools (puppet, nagios, etc).
Experience with Apache administration.
Knowledge of scientific software applications in academic supercomputing environments.
Familiarity or experience with data subject to restrictions, desired but not required.
Proven experience across multiple technologies with background in applications, databases, middleware, etc.
In-depth knowledge of the design, and organization of cutting-edge technology in HPC environments.
In-depth understanding of HPC Cluster hardware and management software.
In-depth understanding of massive high performance parallel storage and methodologies.
Understanding and implementation of IT project management best practices.
Expert knowledge of Unix/Linux systems administration, including all aspects of management, monitoring, performance analysis, and integration in potentially complex heterogeneous environments.
Expert Level Knowledge of networking, high speed interconnects, and network security principles in an HPC environment.
Expert knowledge of security measures necessary to protect the facility and its data (firewalls, ACLs, network monitoring).
The ability to interact with peer institutions to support HPC directives effectively; furthering the goals of the MARCC facility.
Understand, implement, troubleshoot, and support job scheduling, resource management and workload management systems, including diagnosis of failed jobs, implementation of policies, and investigations of new features and services.
Understand and support hierarchical file system infrastructure, software and services, including high performance parallel storage, backup systems, and robotic tape libraries.
Advanced knowledge of Linux, Apache, SQL, PHP/Python/Perl (LAMP) technology/toolkits.
Ability to handle high priority escalations whenever necessary.
Ability to multitask, while managing time and priorities.
Must be adaptable and able to meet conflicting deadlines.
Exceptional organizational skills.
Ability to automate systems administration tasks wherever possible.
Excellent oral and written interpersonal skills.
Ability to meet the physical requirements of the position.
Keep up to date on emerging technologies.
Excellent vendor relations skills.
Classified Title: Sr. Systems Engineer Working Title: HPC Sr Systems Engineer Role/Level/Range: ATP/04/PF Starting Salary Range: Commensurate with experience Employee group: Full Time Schedule: M-F, 8:30 am - 5:00 pm Exempt Status: Exempt Location: 01-MD:Homewood Campus Department name: 10001373-Physics and Astronomy Personnel area: School of Arts & Sciences
The successful candidate(s) for this position will be subject to a pre-employment background check.
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