**Description** **At Leidos** , we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. **Leidos** is seeking **a Network Specialist** **to join our dedicated and high-performing team at the Internal Revenue Service (IRS) NMCC, located at the New Carrollton Federal Building (NCFB) in Lanham,** MD. Leidos provides Level 3 support, maintenance, and operation of the IRS networks that include large-scale data, voice, video, and wireless networks. The Network Specialist must be well-versed in VOIP network architectures and components. The Network Specialist will work with Network Engineers, IT Specialists, and others to plan, implement, configure, troubleshoot, produce reports, provide analysis of data, administer the VOIP components and network systems, and provide any necessary training. The Network Specialist must be able to work with very little supervision in a highly dynamic and innovative work environment. **This position is based in Lanham, MD, but will have the benefit of working remotely 2-3 days per week.** ***Candidates MUST possess an active MBI Clearance to be considered. *** **Requirements:** + Bachelor’s degree in a technical discipline. + Must have at least one of the following appropriate certificates that must be active and provided to Leidos upon candidate submission. + An Active Cisco Certified Network Associate (CCNA) certification or higher + An Active Cisco Certified Network Professional (CCNP) Voice certification or higher + An Active Cisco Certified Network Professional (CCNP) Data certification or higher + An Active Cisco Certified Network Associate (CCNA) Wireless certification or higher + ITIL v3 Certifications + Minimum of 6 years total network management experience operating, maintaining and updating a VOIP network to ensure they are kept up to date to ensure proper operations are maintained. This includes adding or deleting sites and or network devices, making configuration changes, upgrading Operating Systems, at a minimum. + Minimum of 6 years of engineering-level network support that includes specific knowledge of: + Cisco Unified Communication Manager + Cisco Unified Border Element + Cisco Unity Connection + Avaya Call Manager + Routers (Cisco - all models) + Ethernet switches (Cisco and Nortel) + Multi-Protocol Labeling Switched Networks + PLS and SIP + Minimum of 6 years’ experience supporting a large-scale government network. + Demonstrate that security policies/GSP/IRM mandates were met/implemented correctly on network devices, best practices were implemented, new technologies were deployed to meet customer needs, software levels were maintained, and global configurations were managed and updated. + Experience with the ITIL V3 IT Lifecycle Management Framework. + Demonstrable experience in successfully leading a mid-size system implementation project. + Excellent oral and written communication skills. + Flexible and adaptable to a changing environment. + Ability to interface with all levels of management. + Ability to work independently or closely with other developers with minimal guidance. Come break things (in a good way). Then build them smarter. We're the tech company everyone calls when things get weird. We don’t wear capes (they’re a safety hazard), but we do solve high-stakes problems with code, caffeine, and a healthy disregard for “how it’s always been done.” **Original Posting:** August 6, 2025 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. **Pay Range:** Pay Range $72,150.00 - $130,425.00 The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. REQNUMBER: R-00164079 All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. Leidos will consider qualified applicants with criminal histories for employment in accordance with relevant Laws. Leidos is an equal opportunity employer/disability/vet.