Sr. VOIP Network Engineer

TEKsystems; San Diego (CA); Remote; USD 125,000 - 150,000; Full time

Job summary

TEKsystems is seeking a skilled VOIP Engineer to design, implement, and support secure Voice over IP solutions for a critical Navy program. This fully remote position requires strong expertise in Cisco VOIP technologies, network integration in DoD environments, and compliance with security standards. Candidates must reside near a Navy base for occasional access to a SIPR environment.

Benefits

Medical, dental & vision coverage

401(k) and Life Insurance

Paid Time Off

Employee Assistance Program

Transportation benefits

Qualifications

• Active Secret Clearance required.
• 3-5 years of experience with Cisco VOIP technologies.
• Understanding of voice protocols (SIP, RTP, SCCP, H.323).

Responsibilities

• Design, configure, and maintain VOIP systems.
• Collaborate with network and cybersecurity teams.
• Troubleshoot VOIP-related issues and document configurations.

Skills

VoIP

Network engineering

Telephony

Education

CCNP Collaboration or equivalent certification

Security+ CE (or ability to obtain within 6 months)

Tools

Cisco Unified Communications Manager (CUCM)

Cisco Unity

Cisco Session Management Edition

Session Border Controllers (SBC)

Job description

Description

Location: 100% Remote

Clearance Requirement: Active Secret Clearance (Required)

Note: This position is remote, but candidates must reside near a Navy base and be able to access a SIPR environment at least once per month.

Job Description:

We are seeking a VOIP Engineer to support a mission-critical Navy program. This role involves the design, implementation, and support of secure Voice over IP (VOIP) solutions across classified and unclassified networks. The ideal candidate will have experience working in DoD environments and a strong understanding of secure voice communications, network integration, and system interoperability.

Key Responsibilities:

• Design, configure, and maintain VOIP systems including Cisco Unified Communications Manager (CUCM), Cisco Unity, and related voice gateways.
• Experience with Cisco Session Management Edition (SME) for centralized call control across clusters.
• Understanding of Cisco cluster design, trunking, and Intercluster Lookup Service (ILS).
• Configuration and management of Session Border Controllers (SBC) and SEP.
• Knowledge of Cisco Expressway (Edge, and Control).
• Collaborate with network and cybersecurity teams to ensure VOIP solutions meet security and performance standards.
• Develop and execute test plans for new VOIP deployments and upgrades.
• Troubleshoot and resolve VOIP-related issues, including call quality, latency, and interoperability.
• Document system configurations, network diagrams, and operational procedures.
• Support integration of VOIP systems with other communication platforms and mission systems.
• Ensure compliance with DoD STIGs and IA policies for voice systems.
• Participate in planning and implementation of system migrations and enhancements.

Required Skills & Qualifications:

• Active Secret Clearance.
• Security+ CE (or ability to obtain within 6 months).
• Must reside near a Navy base and be able to access SIPR at least once per month.
• 3–5 years of experience with Cisco VOIP technologies (CUCM, Unity, CUBE, SIP, MGCP).
• Strong understanding of voice protocols (SIP, RTP, SCCP, H.323).
• Experience with telephony background (Cisco).
• Knowledge of legacy voice systems and DISA protocol standards.
• Familiarity with QoS, VLANs, and network troubleshooting tools.
• Familiarity with DISA STIGs and DoD voice security requirements.

Skills: VoIP, Network engineering, Router, CCNP certification, Cisco Call Manager, Cisco VoIP, Cisco Voice, Cisco Routers, Firewall, Unified Communications, Telephony, CUCM

Additional Skills & Qualifications:

• Cisco CCNP Collaboration or equivalent certification.
• Experience with voice encryption technologies (e.g., SRTP, TLS).
• Knowledge of TDM-to-IP migration strategies.
• Familiarity with Joint Information Environment (JIE) constructs.
• Experience supporting Navy or other DoD voice networks.
• Understanding of the CMMC environment and DOD SAFE documentation.
• Ability to work independently and collaboratively in a remote team environment.

Pay and Benefits:

The pay range for this position is $60.00 - $75.00/hr.

Benefits may include medical, dental & vision, Critical Illness, Accident, and Hospital coverage, 401(k), Life Insurance, Disability, HSA, Transportation benefits, Employee Assistance Program, and Paid Time Off.

Workplace Type: Fully remote

Application Deadline: Jul 2, 2025

About TEKsystems:

TEKsystems is a leading provider in technology services, with a strong focus on transformation and innovation. We are an equal opportunity employer, considering all applications regardless of race, sex, age, or other protected characteristics.