To our valued Leidos candidates:

Coronavirus is on everyone's mind with the effects being felt around the world. The markets are volatile, and we're all concerned for the health and safety of our families, friends, and colleagues. Please know that we're taking all necessary measures to safeguard our employees, customers and the communities in which we live, including following all recommended best practices around social distancing.

With that in mind, in an abundance of caution, we are canceling all face to face career events, such as job fairs and open house events. In the coming days and weeks, we will be hosting career events virtually, using our online chat tools so that we may continue our hiring practice safely and securely. You can find available virtual career events at

We are using telephone meetings and online chats via Brazen to conduct interviews and hiring discussions, and we are offering options for video interviews so that you can have a virtual face to face meeting with your potential new leader. We do not conduct interviews or extend offers via text or chat based social media, such as WhatsApp or MySpace.

Leidos will never ask you to provide payment-related information at any part of the employment application process, nor will Leidos ever advance money as part of the hiring process. And Leidos will communicate with you only through emails that are generated by automated system. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to Chris Scalia, Leidos’ Senior Vice President of Talent Acquisition, at [email protected].

As a company, as a country, as a world, we have confronted challenging moments before. We are confident that, guided by our values and the strength of our community as well as the commitment we have to the important work we do each day, we will find our way through this time together. We will do this with the care and concern for one another and the common good that defines. Please keep those impacted by the virus in your thoughts.

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Job #: R-00114354
Location: Chantilly, VA
Category: Telecommunications
Schedule (FT/PT): Full Time
Travel Required: Yes, 10% of the time
Shift: Day
Remote Type: No Remote
Clearance: Top Secret/SCI with Polygraph
Referral Eligibility: Eligible
Referral Bonus Amount: $5000
Group: Intelligence

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We are looking for a VoIP/Asterisk engineer to join our team in Chantilly, VA. The team is made-up 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 or Asterisk engineer. OCONUS experience is desired but not required.

The program is made up 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 in order to achieve results in a timely manner is desired.

Clearance: Active and in-scope TS/SCI Polygraph for consideration

Job Duties & Responsibilities

  • Install, configure, and troubleshoot Asterisk-based PBX/SBC systems, e.g., Sangoma, 3CX, Elastix, Yeastar

  • Install, configure, and troubleshoot IP phones

  • Monitor entire VoIP infrastructure and provide regular reporting

  • Collaborate with Chief Network Engineer on VoIP optimization

  • Ensure VoIP system uptime, performance, and security

  • Document and enforce VoIP standards

  • Maintain VoIP system in Chantilly, VA lab

  • Perform other tasks as directed by Chief Network Engineer

General Requirements

We will consider VOIP Engineers at varying levels of experience, so long as there is a strong knowledge of Asterisk.

  • University degree in Telecommunications, Network Engineering, Computer Science, or related subject

  • 8 or more years relevant work experience --additional experience in lieu of degree considered

  • Extensive hands-on experience with Asterisk-based VoIP systems, Session Border Controllers, and VoIP Peripherals

  • 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.

  • Ability to lift up to 50 lbs. and climb up to 30 ft.

Additional Desired Qualifications

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

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

  • CCNA/CCNP Voice certification

Pay Range:

Pay Range $84,500.00 - $130,000.00 - $175,500.00

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.

About Leidos

Leidos is a Fortune 500® technology, engineering, and science solutions and services leader working to solve the world’s toughest challenges in the defense, intelligence, civil, and health markets. The company’s 46,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Virginia, Leidos reported annual revenues of approximately $14.4 billion for the fiscal year ended December 30, 2022.  For more information, visit

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available here.

Securing Your Data

Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at [email protected].

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.

Commitment to Diversity

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

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