Senior Linux System Engineer Jobs in Missouri (NOW HIRING)

Active TS (SCI eligibility) clearance and eligibility to obtain a CI poly

At Bcore, our strength comes from how we deliver impact to the mission. Whether it’s architecting critical IT solutions, producing actionable intelligence, or developing cutting edge technology, we succeed because of the expertise, collaboration, and agility of our teams. Our Mission Services division combines enterprise IT, cloud solutions, DevSecOps, systems engineering, software development, and operational support. Bcore accelerates decisive advantage for warfighters and intelligence professionals by fusing human insight, rapid‑fire engineering, precision‑measured outcomes, and relentless grit into mission‑ready solutions.

Do you want to join a team that is building tailored technical solutions to modernize our government’s mission and our client’s business? Do you have a desire to change how people work? Are you interested in helping to protect our nation’s cyber interests? Join our growing team as a Linux Systems Engineer, supporting the NGA customer mission.

You will support the Geospatial Services & Solutions business area to provide high‑quality, cost‑effective solutions to the customer. As part of the GSS Team, the Linux Systems Engineer expertise is needed to support a sophisticated enterprise environment. The Linux Systems Engineer is an active participant in SAFe and Scrum development teams and meetings. The systems engineer will be responsible for supporting the customer’s enterprise environment.

Specific Duties and Responsibilities

• Design, implement, and maintain enterprise Linux‑based infrastructure in both on‑premises and virtualized environments
• Administer, maintain, and optimize Nutanix hyperconverged infrastructure (HCI), including AHV, Prism Central, and Prism Element, to support enterprise Linux workloads
• Collaborate with infrastructure teams to provision, configure, and manage virtual machines, storage, networking, and cluster resources within Nutanix environments
• Develop and maintain automation solutions using Ansible and scripting languages (e.g. Bash & Python)
• Standardize system configuration, patching, and deployment processes through Infrastructure‑as‑Code practices
• Administer and support Red Hat ecosystem tools, including Satellite and Capsule
• Integrate and manage authentication and authorization mechanisms (e.g. OAuth, SSO, identity providers)
• Support the development of dashboards and observability solutions using tools such as Grafana and Zabbix
• Monitor, troubleshoot, and optimize Linux systems and Nutanix infrastructure for performance, availability, and capacity
• Troubleshoot complex system, virtualization, storage, networking, and integration issues across distributed environments
• Collaborate with cross‑functional teams to improve system reliability, scalability, security, and operational efficiency
• Document system architecture, processes, automation, and infrastructure standards
• Contribute to continuous improvement initiatives including automation maturity, platform modernization, and operational best practices

Clearance Required: Active TS clearance (with SCI Eligibility) and eligibility to obtain CI Poly

Education/Experience:

• Requires Bachelor's degree in computer science engineering, or a related technical discipline, or the equivalent combination of education, technical training, or work/military experience
• 5+ years of experience administering and engineering Linux systems in enterprise environments, including experience supporting enterprise virtualization platforms such as Nutanix

• Solid understanding of Linux system administration fundamentals (networking, storage, security, and OS internals)
• Strong expertise in configuration management and automation using Ansible
• Proficiency in scripting (Bash, Python, or similar) for automation and tooling
• Experience managing Red Hat‑based environments (RHEL, Satellite, Capsule, or similar tools)
• Hands‑on experience administering Nutanix HCI environments, including AHV, Prism Central, Prism Element, virtual machine lifecycle management, storage, networking and cluster operations
• Experience deploying, managing, and troubleshooting Linux virtual machines in Nutanix environments
• Understanding of virtualization, hypervisor technologies, storage and networking concepts
• Experience troubleshooting complex infrastructure, virtualization, and performance issues
• Experience implementing security best practice in Linux environments
• Experience with monitoring and alerting systems
• Strong problem‑solving skills and ability to work independently

What is ideal?

• Experience with Nutanix advanced capabilities such as Files, Objects, Flow, Calm, or Disaster Recovery.
• Experience with Nutanix automation using APIs, PowerShell, or Infrastructure‑as‑Code tools
• Experience with load balancing devices such as HAProxy or F5
• Familiarity with authentication and authorization concepts (e.g. OAuth, LDAP, SSO)
• Experience with observability and dashboarding tools such as Grafana and Zabbix
• Familiarity with containerization technologies (Docker, Kubernetes)
• Knowledge of CI/CD pipelines and integration with infrastructure automation
• Experience with VMWare‑to‑Nutanix migration or hybrid virtualization environments
• Strong communication and documentation skills
• Intelligence Community Experience preferred

• Recognizing great achievements do not go unnoticed by bcore through service anniversaries, spot awards, and employee referral bonuses
• You’ll join a growing organization of passionate, top‑shelf, IT engineering professionals with extensive experience in actively developing the technology revolution in the Intelligence community
• The expected salary range within the Washington, DC metropolitan area is: $113,000-$139,000. Final compensation is unique to each individual and will be determined based on factors such as experience, education, geographic location, and contractual requirements. This is not a guarantee.
• Benefits include Health/Dental/Vision, 401(k), Paid Time Off, STD/LTD/Life Insurance/Voluntary Life Insurance, Stipends, Referral Bonuses, and more.