Senior Systems Administrator; Senior Infrastructure Analyst
Listed on 2026-02-28
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Engineering
Systems Engineer -
IT/Tech
Systems Engineer
Job Description
Mission Support and Test Services, LLC (MSTS) manages and operates the Nevada National Security Site (NNSS) for the U.S. National Nuclear Security Administration (NNSA). Our MISSION is to help ensure the security of the United States and its allies by providing high-hazard experimentation and incident response capabilities through operations, engineering, education, field, and integration services and by acting as environmental stewards to the Site's Cold War legacy.
Our VISION is to be the user site of choice for large-scale, high-hazard, national security experimentation, with premier facilities and capabilities below ground, on the ground, and in the air. (See NNSS.gov for our unique capabilities.) Our 2,750+ professional, craft, and support employees are called upon to innovate, collaborate, and deliver on some of the more difficult nuclear security challenges facing the world today.
- MSTS offers our full‑time employees highly competitive salaries and benefits packages including medical, dental, and vision; both a pension and a 401k; paid time off and 96 hours of paid holidays; relocation (if located more than 75 miles from work location); tuition assistance and reimbursement; and more.
- MSTS is a limited liability company consisting of Honeywell International Inc. (Honeywell), Jacobs Engineering Group Inc. (Jacobs), and HII Nuclear Inc.
The Information Technology Directorate is looking for a high-performing individual to join our team as a Senior Systems Administrator (Senior Infrastructure Analyst).
Key Responsibilities- Management of unclassified, classified, and remote site environments.
- Review and recommend automation products for MSTS.
- Ownership of technical problems and sees them through to resolution, using an advanced knowledge level of established standards, practices, and procedures.
- Provide IT support for Server Operating Systems, including the maintenance of systems: including but not limited to physical rack mount servers, storage, and virtual server environments.
- Troubleshoot technical issues and identify modifications needed in existing applications to meet changing user requirements.
- Assume responsibility for complete lifecycle of infrastructure systems including design, builds, post‑installation support, and deployments.
- Document adjustments made to hardware and software as well as providing documentation for new systems as needed.
- Provide support to Data Center environments including site recoverability of the primary data center.
- Participate in change control and manage SNOW tickets as assigned.
- Monitor systems performance, capacity, and recommend modifications or enhancements.
- Prepare course material and provide formal and informal training on related systems equipment and software as requested.
- Prepare procedures, documentation, and activity reports.
- May respond to Help Desk requests to support and troubleshoot workstation and server related problems.
- Provide architectural design diagrams and documentation and assess how to implement technologies into the existing infrastructure.
- Perform other duties as assigned by Management.
- Bachelor's degree in a computer related field or equivalent with at least 5 years of related experience.
- Knowledge of technical principles, theories, standards, practices, and procedures.
- Knowledge equivalent to an MCSE, VCP with 5 years’ experience working on server hardware, software, networking, virtualization, SAN, Azure Cloud and related technologies. Certificates are a plus.
- Azure Cloud experience preferred.
- Minimum of 4 years demonstrated experience in VMware vSphere.
- Experience with Disaster Recovery Technologies.
Demonstrate a successful project management leadership capability. - Must be a team player with good customer service skills and the ability to work flexible hours if required.
- Strong end‑to‑end troubleshooting skills for system, network, or application.
- Excellent oral and written communication skills.
- The primary work location will be at the Losee Road facility in North Las Vegas, Nevada.
- Schedule for this position will be 4/10s or 5/8s (subject to change).
- Participation in after‑hours support pool. Requirements…
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