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# Senior/Principal Computing Infrastructure Engineer - High Security Operations, Onsite

- **Company:** ScienceJobs.Org
- **Location:** United States (Remote available)
- **Experience:** Expert
- **Salary:** $87,400.0 - $199,700.0
- **Contract:** Temporary contract
- **Skills:** Microsoft Windows, Active Directory, Symantec Backup Exec, Ubuntu (Operating System), Cisco IOS, Cyber Security, Linux, Disaster Recovery, Ethernet, Network Interface Controllers, Microsoft Exchange Server, McAfee VirusScan, Microsoft SQL Server, System Center Configuration Manager, Network Diagnostics, Network Monitoring, Packet Analyzer, Network Administration, Software Architecture, Red Hat Enterprise Linux, Subsystems, Symantec Endpoint Protection, TCP/IP, Wireless Networks, Network Routers, Cloud Platform System, Information Technology, Patch Management, Nessus, Network Server, SentinelOne Expertise, Commvault, Servicenow, Vulnerability Analysis
- **Published:** September 3, 2026
- **Apply:** https://sciencejobs.org/job/job/apply?id=7368107

## About the Role

* Bachelor's degree in Computer Science, Information Technology, or relevant field plus five (5) years of experience; or equivalent (Associates + 9 years or HS Diploma + 13 years)
 * 5 year's experience in server/desktop HW/SW Support, System Administration or Network Administration
 * Experience utilizing patch management tools such as Ivanti or SCCM
 * Experience using Hosted Based Security Systems such as Symantec Endpoint Protection, McAfee, SentinelOne, or Windows Defender
 * Ability to obtain and maintain a DOE Q-level security clearance and a SCI clearance which may require a polygraph test. Additional background information may be required for sensitive programs.

Qualifications We Desire:

 * Active DOE Q-Level Security Clearance or DOD-TS
 * Experience with: Active Directory, ITSM/Remedy, Veritas Backup Exec, Commvault Systems, Service Now
 * Networking tools such as Cisco IOS, Arista - Router and Switch Configuration - TCP/IP, Network Monitoring, NIC support, Printer/PC/Wireless Networking, Ethernet, Internet, E-mail, Network Monitoring/Packet Sniffing
 * Experience working on IT systems in an air-gapped environment
 * Experience managing Linux OS to include any of the following: RHEL, Ubuntu, or other Linux systems.
 * Demonstrated experience assisting in cyber security audits and implementing controls such as STIGS and Nessus Vulnerability Scanner
 * Experience managing Microsoft SQL/MS Exchange/MS Skype

## Description

We are seeking a highly motivated, innovative, and hard-working Computing Infrastructure Engineer to join our High Security Operations IT Services team. As the selected candidate, you will perform the full lifecycle management (analysis, design, development, testing, implementation, integration, and maintenance) of multi-user information systems including servers, storage, virtual and cloud infrastructures, including the associated components and subsystems. You will maintain the integrity of servers and systems to meet established requirements for service levels, disaster recovery, business continuity, and security. You will also coordinate and work with customers, suppliers, and domain experts such as networking, software, and desktop personnel.

As a member of our team, you will ensure alignment to IT and Sandia Quality standard, including following change management for upgrades, definition of technical standards, functionality tests, documentation, and administration of licensing.

On any given day, you may be called on to:

 * Work independently on assignments which support organizational and Sandia projects, programs, and business operations.
 * Develop solutions to specific problems related to issues of moderate scope, complexity, and impact with either internal or external customers.
 * Make recommendations to management on policies and general business operations and activities.
 * Recommend changes to methods or processes and occasionally leads teams and participates in planning, conducting, and reporting on projects.
 * Resolve integrated hardware and software architecture solutions that meet performance, scalability, reliability, and security needs., High Security Operations (HSO) performs high-impact, national security work for a broad segment of the Intelligence Community (IC) and other high-level security customers. As part of the HSO, the Information Technology Services Department, 05198 develops and maintains secure IT products and services in support of Other Government Agencies that partner with Sandia in the research and development of national security solutions. Our IT services expand across cyber security, system access, desktop administration, networking, systems administration, and hardware/software support High Security Operations (HSO) performs high-impact, national security work for a broad segment of the Intelligence Community (IC) and other high-level security customers. As part of the HSO, the Information Technology Services Department, 05198 develops and maintains secure IT products and services in support of Other Government Agencies that partner with Sandia in the research and development of
national security solutions. Our IT services expand across cyber security, system access, desktop administration, networking, systems administration, and hardware/software support.

Posting Duration:

This posting will be open for application submissions for a minimum of three (3) calendar days, including the 'posting date'. Sandia reserves the right to extend the posting date at any time.

Security Clearance:

Sandia is required by DOE to conduct a pre-employment drug test and background review that includes checks of personal references, credit, law enforcement records, and employment/education verifications. Applicants for employment need to be able to obtain and maintain a DOE Q-level security clearance and SCI access, both of which require US citizenship. SCI access may also require a polygraph examination. If you hold more than one citizenship (i.e., of the U.S. and another country), your ability to obtain these levels of access may be impacted.

Applicants offered employment with Sandia are subject to a federal background investigation to meet the requirements for access to classified information or matter if the duties of the position require a DOE security clearance. Substance abuse or illegal drug use, falsification of information, criminal activity, serious misconduct or other indicators of untrustworthiness can cause a clearance to be denied or terminated by the DOE, resulting in the inability to perform the duties assigned and subsequent termination of employment.


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