Systems Engineer (Senior/Expert) / Network Engineer (Expert) — Voice

About the role

Insight Xcite is recruiting for Systems Engineer (Senior), Systems Engineer (Expert), and Network Engineer (Expert) openings supporting enterprise voice and unified communications in Herndon, Virginia. Qualifications below apply to the corresponding LCAT and level.

Systems Engineer (Senior and Expert) — Cisco Unified Communications

Design, deploy, secure, upgrade, and troubleshoot enterprise Cisco Unified Communications, including CUCM, Unity Connection, IM&P, and UCCX.

Support call routing, SIP trunking, SRST, CUBE, gateways, call centers, PKI/certificates, security accreditation, and new site deployments.

Required for both levels: Bachelor's or Master's degree in computer science, IT, engineering, or a related field; expertise in SIP, SRTP, MGCP, H.323, TCP/IP, MPLS, DNS, DHCP, and RTP; secure enterprise voice experience and strong technical communication.

Senior: at least 6 years of relevant Voice/UC engineering experience.

Expert: at least 11 years overall experience, including at least 8 years of progressive Voice/UC engineering experience, and demonstrated leadership of enterprise voice deployments and modernization.

Network Engineer (Expert) — Voice / VoIP

A separate requirement emphasizes engineering and designing voice/video solutions: LAN/WAN design, advanced TCP/IP and QoS, SIP/RTP/H.323, enterprise VoIP platforms such as Cisco, Asterisk or 3CX, call-routing troubleshooting, SBC/TLS security, and cloud integration. Required experience includes configuring and troubleshooting switches, routers, firewalls, and VPN concentrators; technical documentation; and explaining designs to nontechnical audiences. Customer-specific experience and level requirements will be confirmed for this track.

Preferred Qualifications

Relevant Cisco Collaboration or other voice/network certifications, multivendor Cisco/Avaya integration, call-center engineering, secure voice devices, and government security accreditation experience.

Clearance Requirement

Due to the nature of our work, Insight Xcite does not sponsor or process security clearances at this time.

Applicants must currently possess an active TS/SCI with Full-Scope Polygraph (FSP) to be considered for employment.

Please do not apply if you do not currently hold this level of clearance.

Work Location Requirement

All Insight Xcite positions are onsite. We do not offer remote or hybrid opportunities.

Applicants must be willing and able to work in person at the designated customer location.

What We Offer

At Insight Xcite, we believe exceptional employees deserve meaningful support, competitive compensation, and benefits that make a real difference. We are committed to investing in our team both professionally and personally.

100% employer-paid medical, dental, and vision coverage for employees

Flexible paid time off, subject to manager approval and business needs, plus annual Flex Bonus earning opportunities

Annual compensation and performance review process, including opportunities for salary increases

401(k) with immediate vesting and company contributions with no employee match requirement

Flexible scheduling options

Insight Essentials lifestyle and wellness benefit

Company-supported pet insurance

Employee referral bonus program

Professional development and career growth support

Opportunity to support impactful national security missions in a highly collaborative environment

Additional employee programs and benefits available

Candidate Authenticity and Use of AI

AI tools may be used to help format or draft application materials; however, all submitted information must accurately represent the candidate’s own experience, qualifications, and work history. Candidates should be prepared to discuss and verify the information provided

About Insight Xcite

Insight Xcite is a mission-focused consulting firm supporting critical government programs through data-driven engineering, technology, cybersecurity, analytics, and operational expertise. We partner with customers across the national security community to deliver innovative solutions in highly secure, fast-paced environments.

Our teams are composed of experienced professionals who thrive on collaboration, accountability, and supporting mission success. We value technical excellence, integrity, and employees who are committed to solving complex challenges and making an impact.