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Xcel Engineering Tech Stack

High-performance computing and federal IT infrastructure for national labs

IT Services and IT Consulting Oak Ridge, Tennessee 51–200 employees Founded 1971 Privately Held

Xcel Engineering operates deep in the federal tech stack—Kubernetes, Puppet, GitLab CI/CD, and a heavy emphasis on HPC storage (Lustre, Spectrum Scale, Ceph, WEKA, Qumulo). Their project roster (reactor vessel upgrades, HFIR infrastructure, HPC cluster provisioning, zero-trust architecture) and pain-point focus (HPC lifecycle management, containerized deployment across heterogeneous environments, identity automation) signal a company managing mission-critical scientific computing infrastructure. Engineering-heavy hiring (10 roles) paired with 5 active security positions reflects the dual demands of HPC ops and federal compliance.

Tech Stack 61 technologies

Core StackKubernetes ArgoCD Puppet Go Python GitLab CI/CD SAP SuccessFactors Workday Java Bash SharePoint SharePoint Online PowerShell Lustre Spectrum Scale BeeGFS WEKA Ceph Qumulo NetApp SailPoint IdentityIQ Azure Entra ID SuccessFactors LDAP Beanshell REST API OIDC OAuth 2.0 SAML CASB+29 more

AdoptingBackstage

ReplacingOpenShift

What Xcel Engineering Is Building

◆Challenges

Improving security of computing environments
Replacing reactor pressure vessel
Replacing beryllium reflector
Streamlining joiner-mover-leaver automation
Reducing identity risk
Migration from openshift
Seamless containerized application deployment across heterogeneous environments
Change control management
Scaling hpc resources
Managing hpc lifecycle

▲Active Projects

Beryllium reflector replacement
Reactor pressure vessel replacement
Hfir upgrades project office
Next-generation internal developer platform
Zero trust architecture advancement
Hpc cluster provisioning and decommissioning
Storage-as-a-service management
Technical onboarding for hpc users
Design and deploy hpc storage systems
Implement large-scale ceph storage clusters

Hiring Activity

Accelerating20 roles · 10 in 30d

Department

Engineering

10

Security

5

Ops

2

Design

1

HR

1

Research

1

Seniority

Senior

13

Manager

2

Mid

2

Principal

2

Junior

1

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About Xcel Engineering

Xcel Engineering provides IT, engineering, and project management services to federal agencies and national laboratories. Founded in 1971 by University of Tennessee engineers, the company operates across two service lines: IT solutions (application development, high-performance computing support, systems integration, cyber security, mobile development) and engineering services (regulatory compliance, environmental assessment, civil engineering, construction management). The company is privately held with 51–200 employees, headquartered in Oak Ridge, Tennessee, and became part of MartinFed in 2023.

HeadquartersOak Ridge, Tennessee

Company Size51–200 employees

Founded1971

Hiring MarketsUnited States

Frequently Asked Questions

What tech stack does Xcel Engineering use?

Kubernetes, ArgoCD, Puppet, GitLab CI/CD for orchestration and deployment; Go, Python, Java for development; HPC storage systems including Lustre, Spectrum Scale, Ceph, WEKA, Qumulo, and NetApp; Azure Entra ID and SailPoint for identity management.

What is Xcel Engineering working on?

Major infrastructure projects include beryllium reflector and reactor pressure vessel replacement, HFIR upgrades, zero-trust architecture advancement, HPC cluster provisioning, and large-scale Ceph storage deployment. Internal focus on next-generation developer platform and HPC user onboarding.