Senior Engineer, Site Reliability, IP

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 seeking driven and enthusiastic professionals to join our team, empower lives, fuel businesses, and drive innovation. Connectivity is now longer a luxury, but a necessity. 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. Our successes, now and in the future, are powered by our amazing product, a commitment to our people and culture, and the connections we make in our communities.
If you are resourceful, collaborative, and passionate about delivering consistent excellence, Optimum is for you!
Job Summary
As a Level 3 IP Engineer, you will play a vital role in the design, implementation, and support of scalable IP transport networks. This position requires a deep understanding of routing protocols, network performance, and service availability across enterprise and carrier-grade environments. You will be responsible for resolving complex issues, leading optimization efforts, and driving automation and documentation practices to ensure reliable and secure operations.
This role is ideal for experienced engineers ready to take ownership of critical infrastructure and collaborate with architecture, operations, and NOC teams to ensure end-to-end network performance and reliability.
Responsibilities

• Design and validate Layer 3 network topologies, addressing schemes, and route policies.
• Lead troubleshooting of routing issues involving BGP, OSPF, MPLS, and multicast.
• Monitor network health using telemetry, SNMP, and flow-based tools; respond to anomalies.
• Implement change requests, maintenance windows, and upgrades with minimal service impact.
• Automate recurring network tasks (e.g., provisioning, config backups, audits) using Python, Ansible, or other tools.
• Collaborate with IP architects and security teams to align on policies, segmentation, and access control.
• Participate in capacity planning, traffic analysis, and latency optimization efforts.
• Maintain technical documentation, network diagrams, and SOPs for internal use.
• Mentor junior engineers and contribute to internal knowledge sharing.
• Coordinate with cross-functional teams to support network integration for new services or infrastructure rollouts.

Qualifications
Education and Experience

• Bachelor's degree in Telecommunications, Computer Engineering, or related discipline.
• 6+ years of experience in IP networking and infrastructure support, with at least 4 years in reliability-focused roles.

Technical Expertise

• Expert-level knowledge of routing protocols (BGP, OSPF, IS-IS) and transport protocols (TCP, UDP, ICMP).
• Proficient in infrastructure automation tools (Ansible, Terraform, Python scripting).
• Experience managing observability platforms (Grafana, Prometheus, ELK, SNMP traps).
• Strong familiarity with network design principles, IP addressing schemes, NAT, ACLs, and traffic engineering.
• Experience with hybrid infrastructure (on-prem + cloud), microservice architectures, and SDN.
• Certifications such as Cisco CCNP/CCIE, Juniper JNCIP/JNCIE, or equivalent.
• Strong documentation and cross-team leadership skills; able to translate technical needs to non-technical stakeholders.
• Familiarity with CI/CD workflows, GitOps, or containerized networking (CNI, service mesh).
• Familiarity with AI Tools and AI First mindset

At Optimum, every action and interaction we take part in, is driven by our three Guiding Principles: Do What's Right, Drive One Optimum, and Make It Happen. These aren't just words, they help us build trust, create real community, and embrace new ways of thinking. Our employees are empowered to do the right thing for our customers and co-workers and to recognize and reward these behaviors when we see them. It's all part of the bigger picture of "Be The Difference" where each employee knows they have the power to enact real change, share new ideas, and understand that learning never stop.
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. 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 committed to recruiting, hiring and promoting qualified people of all backgrounds regardless of gender, race, color, creed, national origin, religion, age, marital status, pregnancy, physical or mental disability, sexual orientation, gender identity, military or veteran status, or any other basis protected by federal, state, or local law.
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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.
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 $100,246.00 - $164,689.00 / year. The rate/range provided herein is the anticipated pay at the time of hire and does not reflect future job opportunity.
We appreciate your interest in this opportunity. Applicants must be authorized to work for ANY employer in the U.S. Please note that at this time, we do not provide visa sponsorship for employment.
Nearest Major Market: Long Island
Nearest Secondary Market: New York CIty