New

Site Reliability Eng, Platform

Altice USA
United States, New York, Bethpage
Sep 09, 2025
Optimum 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 areOptimum! Job Summary As a Level 2 - SRE Mobile Platform Engineer, you will be responsible for ensuring high availability and performance of core mobility services such as MME, SGW, PGW, AMF, SMF, UPF, PCRF/PCF, HSS/UDM, and VoLTE/VoNR platforms. You will collaborate with senior engineers on upgrades, troubleshooting, and automation initiatives while contributing to the overall scalability and resiliency of the mobile core infrastructure. You'll contribute to monitoring frameworks, configuration management, and support deployment pipelines across mobile infrastructure, working closely with network, DevOps, and platform teams to uphold SLAs and minimize incidents. Responsibilities Operate, monitor, and maintain EPC and 5G Core platforms across multiple data centers. Perform configuration, integration, and maintenance of mobile core network elements (MME, SGW, PGW, AMF, SMF, UPF, HSS/UDM, PCRF/PCF, IMS/VoLTE). Provide Tier-2 support for incident resolution, escalations, and service-impacting issues. Participate in root cause analysis (RCA) and contribute to post-incident reviews. Support capacity planning, system upgrades, and performance optimization for mobile core nodes. Develop automation scripts (Python, Bash, Ansible) for provisioning, testing, and monitoring tasks. Implement and manage observability solutions (alarms, metrics, logging, tracing) for mobile core services. Collaborate with cross-functional teams (RAN, Transport, IP, Security) to deliver end-to-end mobile services. Ensure compliance with network security and regulatory requirements. Contribute to technical documentation, playbooks, and knowledge-sharing sessions. Qualifications Education & Experience Bachelor's degree in Telecommunications, Computer Engineering, or related technical field. 2-4 years of experience in mobile network operations or systems engineering roles. Hands-on experience supporting EPC (4G) and/or 5G Core platforms. Experience troubleshooting signaling protocols and core network interfaces. Technical Expertise Strong knowledge of LTE/EPC and 5G Core architecture. Hands-on with interfaces such as S1, S6a, S11, S5/S8, Gx, Gy, N1, N2, N4, N6, N7, N10. Understanding of IMS/VoLTE/VoNR architectures (P-CSCF, I-CSCF, S-CSCF, SBC, TAS). Familiarity with vendors (Ericsson, Nokia, Huawei, Cisco, Mavenir, or similar mobile core platforms). Scripting and automation skills in Python, Bash, or Ansible. Exposure to containerized mobile core solutions (Kubernetes, Docker) is a plus. Knowledge of monitoring and observability tools (Prometheus, Grafana, ELK, Splunk, or vendor-native NMS). Basic understanding of IP networking (BGP, OSPF, MPLS, QoS). 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 $83,538.00 - $137,241.00 / year. The rate/range provided herein is the anticipated pay at the time of hire, and does not reflect future job opportunity. 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 [Enter State Manually] is $83,538.00 - $137,241.00 / year. For other locations, please inquire with your recruiter. The rates/ranges provided herein are the anticipated pay at the time of hire, and do not reflect future job opportunity.