Senior VoIP Engineer

Leidos is seeking a senior VoIP engineer to join our team in Chantilly, VA. The team is comprised of highly technical and motivated individuals. The engineer for this role will assist in troubleshooting complex problems and implementing cutting-edge solutions. As such, this individual must be an excellent problem solver and work well in a collaborative team environment. Candidate must have proven hands-on experience working as a VoIP engineer.

The program is comprised of CONUS and OCONUS teams who regularly interact across varying time zones. As a result, the engineer must have excellent communication skills and be flexible with regards to teamwork and multitasking. A demonstrated ability to perform in cross-functional teams to achieve results in a timely manner is desired.

Primary Responsibilities:

• Install, configure, and troubleshoot Asterisk-based PBX/SBC systems, peripherals, and IP phones

• Monitor entire VoIP infrastructure and provide regular reporting

• Collaborate with Chief Engineer on VoIP optimization

• Ensure VoIP system uptime, performance, and security

• Document and enforce VoIP standards

• Travel OCONUS as needed

• Maintain VoIP system/network in Chantilly, VA lab

Clearance Required: MUST possess a TS/SCI Polygraph.

Basic Qualifications:

• Bachelor’s degree and at least 12 years of experience OR Master’s and at least 10 years of experience OR 16+ years relevant work experience and combination of college coursework and certifications in lieu of degree

• Extensive hands-on experience with VoIP systems, Session Border Controllers, and VoIP Peripherals; willingness to learn Asterisk

• Extensive hands-on experience with dial plans, IVRs, SIP, IAX, RTP, DIDs, codecs and other protocols

• Solid understanding of traditional telephony, PRIs, BRIs, FXO/FXS, circuit-switching, POTS, PSTN, MTSO

• Solid understanding of OSI model, firewalls, IP routing, IP switching, VLANS, and QOS/COS

• Hands-on experience with network monitoring, network diagnostics, and network analytics tools

• Hands-on experience installing/configuring/troubleshooting servers

• Hands-on experience with Linux operating systems, i.e., Ubuntu, CentOS

• Ability to work well individually, as well as within a team environment, and maintain professional behavior with all stakeholders at all times

Desired Qualifications:

• Subject Matter Expert (SME) in VoIP telecommunications, and VoIP protocols

• Digium Certified Asterisk Administrator (dCAA) and/or Digium Certified Asterisk Professional (dCAP)

• CCNA/CCNP Voice certification

• OCONUS experience

Original Posting:March 13, 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 $126,100.00 - $227,950.00

The Leidos pay range for this job level is a general guideline only and 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.