Enterprise Voice Engineer II

Isys Technologies; O'Fallon (IL); On-site; USD 90,000 - 140,000; Full time

Job summary

I2X Technologies is seeking an experienced telecommunications engineer to maintain and optimize a large IP voice and video network across multiple sites. You will configure voice routing, network policies and device profiles while ensuring security and reliability.

Applicants must hold an active Secret clearance and DoD 8750/IAT II or Security+ CE certification. The role emphasizes fault analysis, SIP signaling, and enterprise policy development within a government-focused environment.

Qualifications

• Requires DoD 8750 certification at IAT level II or Security+ CE.
• Experience with Cisco, Avaya or Oracle voice platforms including CUCM, Cisco Unity, Cisco Unity, CUBE, Oracle SBC and Avaya Aura.

Responsibilities

• Maintain a large, complex IP voice and video communications infrastructure.
• Configure and troubleshoot voice, video, and data networks; document diagrams.
• Perform system maintenance and capacity planning; document changes.
• Configure route plans, calling search spaces, device profiles, and policy rules.
• Analyze and resolve SIP signaling, remote site registration, and media problems.
• Provide input to technical policy and reporting for enterprise IP telephony.

Skills

SIP signaling

Fault analysis

Security clearance

DoD 8750 / IAT II or Security+ CE

Documentation

Education

BS degree + 2–4 years experience OR MS with <2 years

Tools

CUCM

Cisco Unity

CUBE

Oracle SBC

Avaya Aura Application Server

Firewall infrastructure

Job description

Minimum Clearance Required

Secret

Responsibilities

I2X Technologies is a reputable technology services company to the Federal Government. Whether the focus is on space exploration, national security, cyber security, or cutting-edge engineering applications, I2X is ready to offer you the chance to make a real-world impact in your field and for your country. We provide long-term growth and development. Headquartered in Colorado, I2X is engaged in programs across the country and in more than 20 states. Our programs support multiple Federal agencies, the Department of Defense and often focused on the space initiatives of our government customers.

• Perform engineering tasks to maintain a large, complex and highly resilient IP voice and video communications infrastructure.

• Manage, configure, troubleshoot and assure service supporting all aspects of a voice, video and data network. Must be organized, document oriented, possess skills in diagramming, and understand WAN principals.

• Perform system maintenance, support capacity planning activities and complete configuration change actions and documentation efforts.

• Configure and implement calling search spaces, route plans, route partitions, route lists and device profiles.

• Configure Cisco or Juniper routing and switching devices.

• Support distributed firewall infrastructure.

• Provide input in the development of technical policy, work instructions and reporting in support of an enterprise IP telephony network.

• Analyze and resolve complex technical problems utilizing foundational knowledge of SIP signaling and call-flows.

• Analyze and resolve remote site registration, signaling and media problems.

• Configure route plans, route lists, device profiles, calling search spaces, and route partitions.

• Validate change requests and ensure accuracy.

• Perform fault analysis and configuration of voice subscribers, call handlers and call routing rules.

• Perform fault analysis and configuration of Cisco and or Juniper routing and switching rules.

Qualifications

• Currently possess DoD 8750 certification at IAT level II, Security+ CE or equivalent to meet requirement.

• Experience with one or multiple Cisco, Avaya or Oracle voice platforms including Cisco Unified Communications Manager (CUCM), Cisco Unity, Cisco Unified Border Element (CUBE), Oracle Session Border Controller (SBC) and Avaya Aura Application Server.

• Expertise in SIP internetworking signaling and call flow.

• Demonstrable experience of advanced fault analysis to isolate and diagnose network problems for routing, switching, security and large scale voice implementations.

• Currently possess an active Secret security clearance.

Preferred Qualifications

• Working knowledge of Secure Real-Time Transport Protocol (SRTP) including associated G.711 and G.729 codecs and Digital Tone Multi Frequency (DTMF).

• Experience with Cisco Unified Communications Manager and or Avaya Aura soft switches.

• Experience with Oracle SBCs and other voice media gateway appliances.

• Experience supporting distributed firewall infrastructure.

• Experience creating/supporting IPSec MPLS VPN infrastructure

• Experience implementing and supporting BGP routing protocols

• Experience designing, configuring and troubleshooting QoS classification, marking and prioritization of network traffic (voice, critical applications, etc.).

• Familiarity with IPSec implementation and troubleshooting.

Required Education and Experience

• Requires BS degree and 2-4 years of prior relevant experience or Masters with less than 2 years of prior relevant experience. (Or equivalent combination of education and/or experience.)

Essential Requirements

US Citizenship is required.

Active Secret

I2X Technologies is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected Veteran status, or disability status.

In compliance with Colorado's Equal Pay for Equal Work Act, the annual base salary range for this position is listed . Please note that the salary information is a general guideline only. I2X Technologies considers factors such as (but not limited to) scope and responsibilities of the position, candidate’s work experience, education/training, key skills, internal peer equity, as well as, market and business considerations when extending an offer.

Physical Demands

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job with or without reasonable accommodation.

While performing the duties of this job, the employee will regularly sit, walk, stand and climb stairs and steps. May require walking long distance from parking to work station. Occasional movement that requires twisting at the neck and/or trunk more than the average person, squatting/ stooping/kneeling, reaching above the head, and forward motion will be required. The employee will continuously be required to repeat the same hand, arm, or finger motion many times. Manual and finger dexterity are essential to this position. Specific vision abilities required by this job include close, distance, depth perception and telling differences among colors. The employee must be able to communicate through speech with clients and public. Hearing requirements include conversation in both quiet and noisy environments. Lifting may require floor to waist, waist to shoulder, or shoulder to overhead movement of up to 20 pounds. This position demands tolerance for various levels of mental stress.

I2X Technologies is an Engineering and Information Technology Company focused on providing Services to the Federal and State Government. I2X offers a competitive compensation program and comprehensive benefits package to our employees.