HPC Infrastructure & Cluster Engineer

Position Description

Valiant Solutions is seeking an HPC Infrastructure & Cluster Engineer to join our rapidly growing and innovative team!

The HPC Infrastructure & Cluster Engineer will join a program providing User-facing and Data Center Services supporting an Intelligence Community customer. The team will work together to support innovative design, engineering, procurement, implementation, operations, sustainment, and disposal of user-facing and data center information technology (IT) services across multiple networks and security domains, at multiple locations worldwide, to support the IC mission.

Named one of the Washington Business Journal’s Best Places to Work every year since 2014, Valiant is proud of our employee-centric culture and commitment to excellence. If you are interested in learning more about Valiant and this opportunity, we invite you to apply now!

Location: Springfield, VA

Required Clearance: TS/SCI with the ability to obtain and maintain a CI Polygraph.

Required Education and Certifications:

• Bachelor's Degree in a related discipline, or the equivalent combination of education, professional training, or work/military experience.
• Meet DoD 8570 IAT Level II requirements including one of the following:  Security+ CE, CND, SSCP, GSEC, GICSP, CySA+, or CCNA.

Required Skills:

• 5+ years of experience in Linux systems administration and infrastructure management with a specific focus on high-performance computing environments.
• Expertise in managing bare-metal servers, enterprise storage arrays, and advanced network configurations (Experience with InfiniBand).
• Strong proficiency with workload managers, job schedulers, and AI orchestration tools (e.g., Run:AI, SLURM).
• Hands-on experience with enterprise container orchestration platforms, specifically OpenShift or Kubernetes.
• Experience writing automation and configuration scripts (e.g., Bash, Python) to streamline cluster maintenance.
• Troubleshooting Focus: Proven ability to diagnose and resolve complex hardware, network, and OS-level issues.

Desired Skills:

• Familiarity with parallel file systems and high-throughput storage architectures.
• Prior experience engineering or managing high-speed GPU-to-GPU communication topologies.

Responsibilities: 

• Cluster Administration: Manages the day-to-day operations of the customer compute cluster, including Linux operating system administration, hardware monitoring, patching, and system upgrades.
• Resource and Job Management: Configures, maintains, and optimizes workload management and orchestration platforms, utilizing the Run:AI job scheduler to ensure efficient distribution of intensive AI/ML workloads across the cluster.
• Infrastructure Optimization: Tunes cluster performance at the hardware, operating system, and network levels to maximize compute efficiency and data throughput for customer workloads.
• Storage and Network Management: Administers storage solutions and high-speed networking fabrics. Support the transition to and ongoing management of an InfiniBand GPU-to-GPU network infrastructure to minimize latency for distributed operations. 
• Environment Configuration: Partners with technology integration teams to provision specific environments, dependencies, and container platforms, specifically leveraging Red Hat OpenShift, required for seamless customer model deployment.
• Security and Compliance: Ensures all infrastructure components remain compliant with federal security standards, implementing strict access controls and maintaining system accreditations.

About Valiant Solutions

Valiant Solutions delivers cybersecurity and IT services to federal civilian, defense, and national security customers nationwide. We support the full cyber lifecycle, from secure system design and accreditation through AI-enabled operations, threat emulation, and continuous improvement, across classified and unclassified environments. Our work is independently certified for quality and security, including CMMI, CMMC, and ISO certifications.

Valiant is a multi-year Washington Business Journal Best Places to Work winner, and our growth and cyber leadership have been recognized by Washington Technology, Northern Virginia Technology Council, and the Triangle Business Journal. We offer strong benefits, rewards for earning industry certifications, and room to grow your career as we grow. Headquartered in McLean, Virginia, our distributed workforce supports customers from coast to coast. We go where the stakes are highest, and the margin for error is zero. If you want meaningful work alongside talented professionals, apply today.

Benefits Snapshot

Valiant takes care of the people who support our customers, with real choices in coverage and real investment in your career. Eligible full-time employees receive:

• A choice of medical plans, from an affordable HSA option to a full-featured PPO, with generous company contributions
• Dental and vision coverage for you and your family
• Company-paid life, short-term disability, and long-term disability insurance
• Optional supplemental life, accident, and critical illness coverage to round out your protection
• 401(k) retirement plan with company match
• Paid time off that grows with your years of service, plus paid federal holidays
• Paid certifications, professional development, and the Valiant University training portal
• Flexible spending accounts and a wellness and fitness program
• Referral bonuses when you help us bring great people to Valiant

Benefit eligibility and plan details are subject to the terms of each plan and may change from time to time.

The anticipated salary range for this position is $125,400 - $179,200. This range reflects Valiant Solutions' good-faith estimate of the base salary reasonably expected for this position upon hire, at the time of posting. The range has been established based on the scope of the role, market rates, and internal equity. Where a candidate falls within the posted range will depend on job-related factors, including relevant skills, experience, qualifications, achievements, education, geographic location, applicable security clearance requirements, additional corporate responsibilities, and other legitimate, non-discriminatory business considerations. The posted range does not guarantee an offer at any particular salary. In addition to base salary, this position includes the benefits described above. 

Remote Work Policy (Remote and Hybrid Positions Only)

Remote work necessitates a high level of trust in our employees. To ensure that employee performance does not suffer in a remote work environment, all employees who telecommute are expected to have a quiet and distraction-free workspace with adequate internet, dedicate their full attention and availability to their job duties during working hours, and maintain a schedule during core business hours that aligns with those of their coworkers and Valiant's clients. In alignment with Valiant's inclusive and engaging environment, cameras are encouraged and can be required to be on during virtual video conferences. Additionally, in alignment with the Office of the Inspector General’s effort to eliminate conflicting employment, all Valiant employees are required to disclose any current or future outside employment engagements. During onboarding and throughout employment, employees must disclose any current activities or intent to engage in outside employment or other professional activities and obtain written approval.  Employees may not solicit or conduct any outside business during core business hours for Valiant Solutions and our clients.

Equal Employment Opportunity

Valiant Solutions is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy), national origin, age, disability, genetic information, marital status, protected veteran status, or any other characteristic protected by federal, state, or local law. Valiant Solutions provides reasonable accommodations to qualified individuals with disabilities. If you need an accommodation during the application or hiring process, please contact [email protected].

Physical Demands

Sitting or standing at a desk for prolonged periods and consistently operating a computer. Frequent communication and exchanging of accurate information via electronic communication, phones, and in person. Occasionally lift and/or move moderate amounts of weight, typically less than 20 pounds. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions of the job.

Authorization to Share Resume and Personal Information

By submitting your resume for this position, you authorize Valiant Solutions to share your resume, as well as personal information included on the resume, with its subsidiaries, affiliates, and teaming partners for the purpose of considering you for this position and other available positions requiring comparable skills, education, and experience. Should Valiant Solutions or its affiliates and teaming partners wish to initiate pre-employment discussions, you will be asked to complete an employment application and related employment documents.

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