Unified Communications Engineer

Company Description

Join us and make YOUR mark on the World!

Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability.


Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact.

Job Description

We have an opening for a Unified Communications Engineer . You will work independently as a technical expert on a collaborative team, focused on the successful implementation of the Cisco Collaborative Suite of products at LLNL in support of the larger National Nuclear Security Administration (NNSA) complex. This position is in the Enterprise Infrastructure Services (EIS) Division withing the Computing Directorate, in support of the LivIT Program.

This position offers a hybrid schedule, blending in-person and virtual presence. You may have the flexibility to work from home one or more days per week.

You will

• Work as part of a team to engineer, implement, and support a Cisco Unified Communications environment with Cisco CMS and Collaborative Edge Services (Cisco Expressways, Instant Message Federation, Web Connectivity, etc.).
• Provide day-to-day operational guidance and support for Cisco Unified Communications Manager, Cisco Expressway, Cisco Meeting Server (CMS), Video Teleconferencing Equipment (e.g. Cisco, Poly, etc), and Webex.
• Work with team members to develop SLAs, Change Management, RCA, Incident Support, and Voice Documentation (KB Articles, SOP, etc.).
• Engage with business stakeholders to understand required capabilities, integrating business knowledge with technical solutions.
• Engage with technical staff to contribute to the technical strategy and design to meet business needs.
• Diagnose and resolve moderately complex VoIP/video/web conferencing and/or web application sharing system problems.
• Work collaboratively with a geographically dispersed team.
• Work under limited direction with a moderate degree of maturity, discretion, and judgment.
• Perform occasional work outside normal business hours to provide support for operations and maintenance.
• Perform other duties as assigned.

Qualifications

• Ability to obtain and maintain a US DOE Q-level security clearance which requires U.S. Citizenship.
• Bachelor's degree in a Computer or Engineering related field or equivalent combination of technical training and experience.
• Highly advanced knowledge of Cisco Unified Communications Manager and one or more of the following products: Cisco Jabber, Cisco CMS, Video Teleconferencing, Cisco Expressways, and Webex.
• Significant experience successfully performing work and contributing to complex and/or large UC projects.
• Extensive knowledge of Audio Video ports, networking, QOS, ports and protocols.
• Proficiency in authoring, editing, and presenting technical documents.
• Highly advanced experience eliciting requirements and communicating clearly with non-technical individuals, development teams, and other ancillary project members.
• Highly advanced written and oral communication skills to effectively communicate with technical and non-technical staff.
• Highly advanced analytical skills to analyze and define solutions for complex telecommunications systems and networks.

Pay Range

$151,620 - $185,640 Annually


This is the lowest to highest salary we in good faith believe we would pay for this role at the time of this posting; pay will not be below any applicable local minimum wage. An employee's position within the salary range will be based on several factors including, but not limited to, specific competencies, relevant education, qualifications, certifications, experience, skills, seniority, geographic location, performance, and business or organizational needs.

Additional Information

#LI-Hybrid

Position Information

This is a Career Indefinite position, open to Lab employees and external candidates.

Why Lawrence Livermore National Laboratory?

• Included in 2026 Best Places to Work by Glassdoor!
• Flexible Benefits Package
• 401(k)
• Relocation Assistance
• Education Reimbursement Program
• Flexible schedules (*depending on project needs)
• Our values - visit

Security Clearance

This position requires a Department of Energy (DOE) Q-level clearance. If you are selected, we will initiate a Federal background investigation to determine if you meet eligibility requirements for access to classified information or matter. Also, all L or Q cleared employees are subject to random drug testing. Q-level clearance requires U.S. citizenship.


Pre-Employment Drug Test

External applicant(s) selected for this position must pass a post-offer, pre-employment drug test. This includes testing for use of marijuana as Federal Law applies to us as a Federal Contractor.

Wireless and Medical Devices

Per the Department of Energy (DOE), Lawrence Livermore National Laboratory must meet certain restrictions with the use and/or possession of mobile devices in Limited Areas. Depending on your job duties, you may be required to work in a Limited Area where you are not permitted to have a personal and/or laboratory mobile device in your possession. This includes, but not limited to cell phones, tablets, fitness devices, wireless headphones, and other Bluetooth/wireless enabled devices.


If you use a medical device, which pairs with a mobile device, you must still follow the rules concerning the mobile device in individual sections within Limited Areas. Sensitive Compartmented Information Facilities require separate approval. Hearing aids without wireless capabilities or wireless that has been disabled are allowed in Limited Areas, Secure Space and Transit/Buffer Space within buildings.

Pre-Placement Medical Exam

A job related pre-placement medical examination may be required.

How to identify fake job advertisements

Please be aware of recruitment scams where people or entities are misusing the name of Lawrence Livermore National Laboratory (LLNL) to post fake job advertisements. LLNL never extends an offer without a personal interview and will never charge a fee for joining our company. All current job openings are displayed on the Career Page under "Find Your Job" of our website. If you have encountered a job posting or have been approached with a job offer that you suspect may be fraudulent, we strongly recommend you do not respond.

To learn more about recruitment scams:

Equal Employment Opportunity

We are an equal opportunity employer that is committed to providing all with a work environment free of discrimination and harassment. All qualified applicants will receive consideration for employment without regard to race, color, religion, marital status, national origin, ancestry, sex, sexual orientation, gender identity, disability, medical condition, pregnancy, protected veteran status, age, citizenship, or any other characteristic protected by applicable laws.

Reasonable Accommodation

Our goal is to create an accessible and inclusive experience for all candidates applying and interviewing at the Laboratory. If you need a reasonable accommodation during the application or the recruiting process, please use our online form to submit a request.


California Privacy Notice

The California Consumer Privacy Act (CCPA) grants privacy rights to all California residents. The law also entitles job applicants, employees, and non-employee workers to be notified of what personal information LLNL collects and for what purpose. The Employee Privacy Notice can be accessed here.

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