Senior​/Principal LAN​/WAN Support Technologist - Onsite

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Sandia National Laboratories is the nation’s premier science and engineering lab for national security and technology innovation, with teams of specialists focused on cutting-edge work in a broad array of areas. Some of the main reasons we love our jobs:

Challenging work with amazing impact that contributes to security, peace, and freedom worldwide

Extraordinary co-workers

Some of the best tools, equipment, and research facilities in the world

Career advancement and enrichment opportunities

Flexible work arrangements for many positions include 9/80 (work 80 hours every two weeks, with every other Friday off) and 4/10 (work 4 ten-hour days each week) compressed workweeks, part-time work, and telecommuting (a mix of onsite work and working from home)

Generous vacation, strong medical and other benefits, competitive 401k, learning opportunities, relocation assistance and amenities aimed at creating a solid work/life balance*

World-changing technologies. Life-changing careers. Learn more about Sandia at: http://(Use the "Apply for this Job" box below)..gov

* These benefits vary by job classification.

Join Sandias High Security Operations (HSO) IT team supporting both the HSO IT Infrastructure team and the HSO Mission IT team to operate, maintain, and secure classified local and wide-area networks that support national security missions. This role involves administering and enforcing communications security (COMSEC) policies and protocols, deploying and supporting advanced networking and video/VoIP systems, proactively monitoring network performance, and ensuring reliable, secure connectivity for mission-critical partners.

Primary Duties & Responsibilities

• Install, configure, operate, and maintain LAN/WAN infrastructure, including routers, switches, firewalls, and related secure hardware in classified environments.
• Implement, enforce, and manage COMSEC policies and procedures to safeguard sensitive communications.
• Manage physical and electronic keying material, communications security accounts, and audit records in compliance with NSA, DOE, and other government agency directives.
• Monitor network health, troubleshoot performance bottlenecks or off-normal behavior, and respond to security incidents to restore optimal operation.
• Perform hardware additions, changes, and upgrades related to secure communications infrastructure.
• Collaborate with cybersecurity teams to enforce network security measures and respond to security investigations.
• Create, update, and maintain detailed documentation including network configurations, COMSEC procedures, forms, and policies, ensuring compliance with program, corporate, and federal guidelines.
• Provide technical support and training to end-users on network operations, security best practices, and COMSEC requirements.
• Analyze, interpret, and implement communications and technical policies from NSA, DOE, and other government agencies.
• Due to the nature of the work, this candidate must be able to work onsite.

High school diploma, plus three years of directly related experience

Expertise operating and securing LAN/WAN infrastructure, switches, firewalls, including hardware/software upgrades and building network utilities.

Demonstrated familiarity with COMSEC procedures, and policies, ensuring compliance with program, corporate, and federal guidelines.

Advanced troubleshooting and performance monitoring, with incident response and network health intervention.

Proficient in networking protocols, encryption technologies, and secure hardware/software configurations.

Ability to obtain and maintain a DOE Q-level security clearance and a SCI clearance (polygraph may be required).

Strong COMSEC skills: physical and electronic key management, account oversight, and audit compliance.

Excellent verbal and written communication; collaborative team player who models Sandias values of integrity, excellence, and innovation

Professional certifications (e.g., CCNA, CompTIA Network+, CISSP)

Familiarity with government regulations, agency directives, and classified matter protection and control

Experience deploying and supporting video conferencing and VoIP systems

Prior experience providing customer-focused technical support in classified environments

Proficiency with OSI model layers, TCP/IP, LAN/WAN protocols, encryption technologies, cryptographic protocols, and secure hardware configurations.

Active DOE Q-level security clearance with the ability to obtain and maintain SCI clearance (polygraph may be required).

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. Mission IT is a specialized IT team dedicated to the delivery of innovative solutions to support Sandia mission-critical partnership with other government agencies (OGAs). We…