Estimator III - IT Network Infrastructure, VoIP TEKsystems•San Diego, CA Responsibilities Attend and participate in pre-sales meetings with clients and internal staff to determine and document solution requirements Interface with manufacturers, purchasing agents, suppliers, customers, and internal staff Review RFPs, RFQs, SOWs, floor plans, and design documents Provide detailed written documentation of meetings, calls, site walks, and scopes Prepare comprehensive bills of materials and cost estimates Develop conceptual and design drawings using Visio or Bluebeam Review written proposals and BOMs to ensure accuracy and compliance with standards Support Operations teams throughout project execution by answering technical questions Participate in project kickoff meetings Required Qualifications Proven ability to perform the Senior Estimator role independently 8+ years of experience in active infrastructure system for network and telecommunication platforms. This would include VoIP, Switching, Routing and Wireless. Familiarity with the design and estimation passive infrastructure such as conventional fiber, air-blown fiber, horizontal copper, backbone ISP, OSP, and all associated pathway infrastructure such as conduit and raceway. Ability to read, understand, and interpret RFPs, specifications, and drawings Skilled at developing designs to improve system functionality High attention to detail and proactive problem-solving ability Understanding of project management principles Proficiency in Microsoft Word, Excel, and Outlook Ability to manage multiple projects simultaneously and meet deadlines Excellent verbal and written communication skills Strong customer service orientation Previous field/installation experience Must be able to pass a Department of Justice (DOJ) background check Must be able to pass a Defense Biometric Identification System (DBIDS) background check RCDD (Registered Communications Distribution Designer Preferred Certifications RCDD (Registered Communications Distribution Designer) Manufacturer certifications in copper/fiber infrastructure, VoIP, networking, or wireless technologies Skills Wireless, VoIP, switching, routing, fiber, copper, ISP, OSP Top Skills Details Wireless,VoIP,switching,routing Additional Skills & Qualifications Additional Information Local travel to jobsites will be required. Experience Level Expert Level Job Type & Location This is a Permanent position based out of San Diego, CA. Pay and Benefits The pay range for this position is $115000.00 - $130000.00/yr. Our client offers competitive compensation and a comprehensive benefits package, including medical, dental, and vision insurance; paid vacation and holidays; and a 401(k) matching program. Workplace Type This is a fully onsite position in San Diego,CA. Application Deadline This position is anticipated to close on Dec 23, 2025. h4>About TEKsystems: We're partners in transformation. We help clients activate ideas and solutions to take advantage of a new world of opportunity. We are a team of 80,000 strong, working with over 6,000 clients, including 80% of the Fortune 500, across North America, Europe and Asia. As an industry leader in Full-Stack Technology Services, Talent Services, and real-world application, we work with progressive leaders to drive change. That's the power of true partnership. TEKsystems is an Allegis Group company. The company is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law. About TEKsystems and TEKsystems Global Services We're a leading provider of business and technology services. We accelerate business transformation for our customers. Our expertise in strategy, design, execution and operations unlocks business value through a range of solutions. We're a team of 80,000 strong, working with over 6,000 customers, including 80% of the Fortune 500 across North America, Europe and Asia, who partner with us for our scale, full-stack capabilities and speed. We're strategic thinkers, hands-on collaborators, helping customers capitalize on change and master the momentum of technology. We're building tomorrow by delivering business outcomes and making positive impacts in our global communities. TEKsystems and TEKsystems Global Services are Allegis Group companies. Learn more at TEKsystems.com. The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law. TEKsystems Go to Apply