Core Support Engineer | First Point Group | Frisco, TX

Tech Junction Ltd; Frisco (TX); On-site; USD 103,000 - 165,000; Full time

Job summary

First Point Group seeks an experienced Core Support Engineer in Frisco, TX with strong Nokia core network background to provide expert-level support for 4G/5G architectures. You will handle incident resolution, fault diagnosis, and system stabilization across Nokia core platforms while aligning with SLAs and cross-functional teams.

Ideal candidates have 4+ years in core network operations, solid protocol analysis skills (Diameter, GTP, SIP, S1AP), and US work authorization.

Qualifications

• Bachelor’s degree in Telecommunications Engineering, Computer Science, Electrical Engineering, or a related technical discipline.
• Minimum of 4+ years of progressive professional experience in core network engineering, technical support, or telecom operations.
• Strong hands-on expertise supporting Nokia core network infrastructure and platforms.
• Knowledge of 4G EPS (MME, SGW, PGW) and 5G Core (AMF, SMF, UPF) architectures.
• Experience in network fault isolation, protocol analysis (Diameter, GTP, SIP, S1AP) and log troubleshooting.
• Analytical, troubleshooting, debugging, and problem-solving under high-pressure conditions.
• Excellent English communication and stakeholder coordination skills.
• Mandatory US work authorization; C2C/H1B sponsorship not allowed.

Responsibilities

• Provide tier-2/3 technical support for Nokia core network elements.
• Diagnose and resolve incidents, signaling and subscriber session issues.
• Configure, test, and upgrade Nokia core nodes across 4G/5G architectures.
• Monitor performance, traffic, capacity, and resources in live networks.
• Collaborate with cross-functional teams and client operations.
• Maintain technical documentation of logs, incidents, and changes.
• Execute routine patches and maintenance within SLAs.

Skills

Core network engineering

Nokia core network

4G/5G architectures

Protocol analysis (Diameter, GTP, SIP,

Troubleshooting under pressure

English communication

US work authorization

Education

Bachelor’s degree in Telecommunications Engineering or related field

Tools

Kubernetes

Containerization

Python scripting

Job description

Position Summary

First Point Group is actively seeking an experienced, high-caliber, and technical Core Support Engineer with a strong Nokia background and solid professional experience in telecommunications core network operations to join our client’s long-term project team on an initial contract basis in Frisco, TX (note: C2C and H1B visa sponsorships are not permitted for this engagement). In this critical core network engineering role, you will be responsible for providing expert-level support, troubleshooting, and maintenance for advanced Nokia core network infrastructure. You will leverage your deep specialist expertise in packet core architecture, signaling protocols, and Nokia core platforms to deliver uncompromised network availability, high performance, and operational excellence. This opportunity offers competitive contracting compensation, executive technical visibility, and exceptional career growth prospects within a premier global telecommunications recruitment and technology consulting enterprise.

Detailed Job Description

As a Core Support Engineer supporting First Point Group in Frisco, TX, you will take full operational, tactical, and technical ownership of core network support, incident resolution, fault diagnosis, and system stabilization across mission-critical Nokia core platforms. Your day-to-day responsibilities include providing tier-2/3 technical support for core network elements, troubleshooting complex signaling, routing, and subscriber session failures, configuring, maintaining, and upgrading Nokia core nodes (such as MME, SGSN, GGSN, AMF, SMF, and UPF), collaborating closely with cross-functional network operations center (NOC) squads and engineering teams, analyzing performance metrics and traffic logs, ensuring strict adherence to telecommunications service level agreements (SLAs), and operating under direct contract guidelines (note: C2C and H1B visa holders are strictly excluded from consideration). You will utilize your proactive troubleshooting and analytical problem-solving skills to resolve complex core network anomalies under strict project delivery timelines.

Key Responsibilities

• Provide expert-level technical support, troubleshooting, and maintenance for Nokia core network infrastructure elements.
• Diagnose and resolve complex incidents, routing failures, signaling anomalies, and subscriber session disruptions.
• Configure, integrate, test, and upgrade Nokia core network nodes across 4G EPC and 5G standalone/non-standalone architectures.
• Monitor live core network performance, traffic loads, capacity utilization, and system resource metrics.
• Coordinate seamlessly with cross-functional engineering squads, vendor technical support, and client operations teams.
• Maintain comprehensive technical documentation of network troubleshooting logs, incident reports, and configuration changes.
• Execute routine software patches, firmware updates, and scheduled maintenance windows on Nokia core platforms.
• Ensure strict adherence to telecommunications security protocols, change management processes, and project SLAs.

Required Qualifications & Skills

• Bachelor’s degree in Telecommunications Engineering, Computer Science, Electrical Engineering, or a related technical discipline.
• Minimum of 4+ years of progressive professional experience in core network engineering, technical support, or telecom operations.
• Strong, demonstrable hands‑on professional expertise supporting Nokia core network infrastructure and platforms.
• Comprehensive working knowledge of 4G EPS (MME, SGW, PGW) and 5G Core (AMF, SMF, UPF) network architectures.
• Solid practical experience in network fault isolation, protocol analysis (Diameter, GTP, SIP, S1AP), and log troubleshooting.
• Exceptional analytical, troubleshooting, debugging, and problem-solving capabilities under high-pressure enterprise conditions.
• Excellent written and verbal English communication skills with strong stakeholder coordination and customer service abilities.
• Mandatory legal work authorization in the US (Note: C2C and H1B visa sponsorships/transfers are not allowed for this opening).

Nice-to-Have Skills

• Professional vendor certifications such as Nokia Bell Labs End-to-End Certification or Cisco Certified Network Professional (CCNP).
• Prior professional working experience with tier-1 mobile network operators, telecommunications vendors, or managed service providers.
• Hands‑on familiarity with cloud‑native core deployments, Kubernetes, containerization, and microservices architectures.
• Experience with automated scripting (Python, Bash) for log parsing, network telemetry, and routine task automation.

Salary/Rate: Market Competitive / Telecommunications Contracting Rate

Notice Period: Immediate to 2 Weeks Preferred

Contract Duration: Long-Term Contract Engagement (Frisco, TX)

Deadline: Open until filled (Urgent Frisco Long-Term Project Opening)