> Markdown version of [/jobs/ext/4512985-senior-data-center-engineer-ii-with-security-clearance](https://www.wearedevelopers.com/jobs/ext/4512985-senior-data-center-engineer-ii-with-security-clearance). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Senior Data Center Engineer II with Security Clearance

- **Company:** Eliassen Group
- **Location:** Washington, DC, United States
- **Experience:** Expert
- **Salary:** $170,000.0 - $230,000.0
- **Contract:** Permanent contract
- **Skills:** Agile Methodology, Data Centers, Network Architecture, Performance Tuning, Virtualization Technology, Information Technology, Vmware
- **Published:** November 1, 2026
- **Apply:** https://www.adzuna.com/details/5740537425

## About the Role

* Possess DoD 8140 certification aligned to the 451 System Administrator work role, such as Security+, Cloud+, SSCP, CASP+, or CISSP.
 * 8+ years of direct experience designing, implementing, and managing geographically dispersed data center infrastructure in enterprise or mission-critical environments.
 * Demonstrated experience ensuring the reliability, scalability, and efficiency of data center operations, including servers, storage, networking, power, and environmental resource requirements.
 * Hands-on experience administering virtualized data center platforms, including VMware or equivalent enterprise virtualization technologies.
 * Operational experience managing compute, storage, and network infrastructure, including capacity planning, performance optimization, and lifecycle management.
 * Hands-on experience supporting high-availability data center operations, including monitoring, fault isolation, and incident response.
 * Bachelor's degree in Computer Science, Information Technology, or a related engineering field is required. Relevant experience may substitute where appropriate.
 * Ability to contribute immediately with minimal ramp-up in a mission-critical operational environment.
 * Required technical certifications include VMware VCP-DCV or equivalent data center platform certification and Security+.

## Description

As a Sr. Data Center Engineer II, you'll design and sustain mission-critical data center environments with the goal to make an impact across the federal government. Our team is responsible for delivering secure, high-availability infrastructure operations, and you'll contribute hands-on expertise that strengthens reliability, resilience, and the organization's ability to support critical missions. Location: Onsite - Washington, DC
Type: Salaried, * Use enterprise data center technologies to manage and operate servers, storage, networking, and power systems supporting mission-critical environments within the federal government.

 * Support and sustain high-availability operations by monitoring infrastructure health, responding to incidents, and troubleshooting complex hardware and facility issues.
 * Design, implement, and improve data center infrastructure solutions that increase reliability, performance, and resiliency.
 * Participate actively in Agile execution, planning, and technical discussions, contributing immediately with hands-on expertise.
 * Identify risks, constraints, and capacity concerns, and communicate them clearly along with mitigation strategies and recommendations.
 * Collaborate with cross-functional teams to ensure infrastructure changes are executed safely and with minimal operational impact.
 * Apply best practices for security, availability, and operational excellence in secure, high-visibility environments.
 * Establish and maintain a high level of customer trust and confidence through disciplined execution, ownership, and technical excellence.
What you'll need to succeed:

 * Active Top Secret security clearance.