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Senior Engineer - Fixed Voice

Location: 

Bethpage, NY, US, 11714

Brand:  Optimum
Requisition #:  9477

Are you looking to Optimize your life? Start your exciting path to a rewarding career today!

 

We are Optimum, a leader in the fast-paced world of connectivity, and we're on the hunt for enthusiastic professionals to join our team! We understand that connectivity isn't just a luxury anymore – it's a necessity that empowers lives, fuels businesses, and drives innovation. A career at Optimum means you'll be enabling progress and enhancing lives by providing reliable, high-speed connectivity solutions that keep the world connected. We owe our success to our amazing product, commitment to our people and the connections we make in every community.

 

If you are resourceful, collaborative, team-oriented and passionate about delivering consistent excellence, Optimum is the Company for you!

 

We are Optimum!

Job Summary

We are looking for a highly skilled Fixed Voice Senior Engineer to join our Voice Engineering team. This individual will play a critical role in the design, deployment, maintenance, and evolution of our Fixed Line and Voice over IP (VoIP) services across multiple platforms and delivery methods. The ideal candidate brings extensive technical expertise across legacy and next-generation voice solutions, networking, automation, provisioning systems, and regulatory compliance technologies such as STIR/SHAKEN and CALEA.
This role requires a proactive, detail-oriented engineer who thrives in high-pressure, complex environments, and who can work cross-functionally to drive quality, efficiency, and innovation in our telecom network infrastructure.

Responsibilities

  • Design and maintain routing, translation, and provisioning logic frameworks on platforms such as Metaswitch, Nokia, Ribbon, and Oracle SBCs.
  • Architect, implement, and support SBC and softswitch-based voice network infrastructure for residential and business services.
  • Manage hardware and software lifecycles of voice core platforms including CFS, Perimeta, HiQ, CS2K, vC20, and AS.
  • Oversee Fixed Line Mediation and Collection Servers, ensuring proper data acquisition and billing accuracy.
  • Lead proactive monitoring, alarm threshold configuration, and remediation of issues in our Voice Platforms.
  • Produce regular KPI reports and analytics to track service quality, performance, and SLA adherence.
  • Handle customer complaint escalations and perform root cause analysis for high-priority incidents.
  • Provide subject matter expertise on voice services such as:
    • Voice over HFC
    • Voice through Fiber Gateways
    • SIP/PRI Trunking
    • Business Hosted Voice
    • Unified Communications as a Service (UCaaS)
  • Support provisioning, troubleshooting, and operations of telecom services and regulatory functions, including:
    • Voicemail, IVR, STP
    • ENUM, LNP, CRE, LCR
    • Record Mediation, Media Servers
    • Robocalling mitigation
    • STIR/SHAKEN, CALEA, and lawful intercept support
    • Online Charging Systems (OCS)

Hybrid remote/on-site work environment, with participation in 24/7 on-call support rotations.
Availability for off-hours maintenance windows and critical incident support.

Qualifications

  • Bachelor's or Master’s degree in Electrical, Electronic, Telecommunications, or Software Engineering.
  • 7+ years of experience in telecom/voice engineering roles.
  • 3+ years of experience with Metaswitch and/or Nokia/Siemens core voice platforms.
  • Deep knowledge of SIP, RTP, SRTP, SDP, DIAMETER, transcoding, and telecom signaling.
  • Experience with Unix/Linux, scripting (e.g., Bash, Perl, Python), and automation tools.
  • Hands-on experience with telecom routing protocols, voice translation tables, provisioning platforms, and network service monitoring.
  • Solid grasp of Cisco networking technologies, including routing (BGP, OSPF), switching (VLANs, NAT, HSRP), and security (VPNs, ACLs).
  • Demonstrated ability to lead troubleshooting during live outages and to document RCA and mitigation plans.
  • Excellent communication skills, both technical and customer-facing.
  • Preferred Qualifications
  • Experience with Ribbon CS2K/C20, Oracle SBCs.
  • Familiarity with mediation systems, billing collection frameworks, and data analytics tools.
  • Experience working in large-scale service provider environments.
  • Exposure to cloud-native telecom solutions (Kubernetes, Docker) and NFV environments.
  • General knowledge of regulatory telecom frameworks and compliance tools (STIR/SHAKEN, CALEA, robocall mitigation, etc.).

 

At Optimum, we're fueled by our four core pillars: Taking Ownership, Upholding Transparency, Creating Community, and Demonstrating Expertise. Our commitment to empowering employees to take responsibility and embrace proactive problem-solving underpins Taking Ownership. Upholding Transparency is at the core of our culture, with open and honest communication fostering trust among our dedicated team and loyal customers. Creating Community is more than a goal; it's our daily commitment to fostering an environment of collaboration, innovation, and positivity. Demonstrating expertise is a promise we uphold through continuous learning and engagement with our customers to consistently deliver top-quality products and services. These pillars not only shape our culture but define Optimum as a place of excellence, trustworthiness, and thriving community, and we invite you to be a part of our journey.

 

If you have the drive to succeed and are ready to embark on a thrilling career, seize this opportunity today, and join our winning team, so together, we'll shape the future of connectivity. 

 

All job descriptions and required skills, qualifications and responsibilities for a particular position are subject to modification by the Company from time to time, in the Company’s discretion based on business necessity.

 

We are an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, creed, national origin, religion, age, disability, sex, sexual orientation, gender identity or protected veteran status, or any other basis protected by applicable federal, state, or local law. The Company provides reasonable accommodations upon request in accordance with applicable requirements.

 

Optimum collects personal information about its applicants for employment that may include personal identifiers, professional or employment related information, photos, education information and/or protected classifications under federal and state law. This information is collected for employment purposes, including identification, work authorization, FCRA-compliant background screening, human resource administration and compliance with federal, state, and local law. 

 

Applicants for employment with the Company will never be asked to provide money (even if reimbursable) as part of the job application or hiring process. Please review our Fraud FAQ for further details.

 

This position is identified as being performed in/or reporting to company operations in New York State. Salary ranges are supplied in compliance with New York State law. Pay is competitive and based on a number of job-related factors, including skills and experience. The starting pay rate/range at time of hire for this position in the posted location is $92,534.00 - $152,021.00 / year. The rate/range provided herein is the anticipated pay at the time of hire, and does not reflect future job opportunity. 


Nearest Major Market: Long Island
Nearest Secondary Market: New York CIty

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