5G Core Network Engineer (AMF, SMF, UPF & 3GPP) | Artech | 100% Remote

Artech L.L.C.; United States; Remote; USD 150,000 - 210,000; Full time

Job summary

Artech L.L.C. is seeking a highly experienced 5G Core Network Engineer for a 100% remote Contract-to-Hire engagement with a Tier-1 product-based company.

You will own design, deployment, and optimization of 5G/4G core nodes (AMF, SMF, UPF, CUPS, MME, DNS, NRF) and ensure 3GPP TS 23.501 compliance for high availability and secure signaling. The role requires 7+ years in core network engineering, strong signaling troubleshooting, multi-vendor deployment experience, and collaboration with

Qualifications

• 7+ years of hands-on 4G/5G core network experience.
• Bachelor's in telecom/electrical/computer science.
• Proficient AMF/SMF/UPF/CUPS/NRF experience.
• Deep knowledge of AMF interfaces N1/N2/N8/N11/N14/N15/N26.
• Strong 3GPP TS 23.501 standards exposure.
• Experience with multi-vendor deployments and validation.
• Signaling trace analysis and performance tuning.
• Ability to work remotely with legal work authorization.

Responsibilities

• Architect and optimize 4G/5G core network infra.
• Manage core nodes AMF, SMF, UPF, CUPS, MME, DNS, NRF.
• Configure AMF interfaces and signaling links.
• Ensure 3GPP TS 23.501 compliance.
• Drive performance optimization and scaling.
• Collaborate with multi-vendor integration teams.
• Maintain interface specs and runbooks.
• Coordinate with recruiters and project stakeholders.

Skills

Core network engineering

AMF/SMF/UPF/CUPS

AMF interfaces N1/N2/N8/N11/N14/N15/N2

3GPP TS 23.501 knowledge

Network performance optimization

Multi-vendor integration

Signaling trace troubleshooting

Stakeholder communication

Remote work eligibility

Education

Bachelor's degree in Telecommunications or related field

Tools

Jira

Confluence

GitHub Enterprise

Kubernetes

Docker

CI/CD pipelines

Job description

Position Summary:

Driving advanced 5G core network engineering, architectural performance optimization, and telecommunications innovation across remote operations, Artech L.L.C. is actively seeking an accomplished 5G Core Network Engineer for a premier Contract-to-Hire (C2H) professional engagement with a Tier-1 product-based company. In this vital technical leadership role, you will take full operational, tactical, and technical ownership of 5G/4G core nodes including AMF, SMF, UPF, CUPS, MME, DNS, and NRF, managing complex AMF interfaces, 3GPP standards compliance, and performance tuning. Bringing 7+ years of progressive professional experience in core network engineering and telecommunications infrastructure, you will empower an elite digital enterprise to achieve uncompromised core availability, secure signaling architecture, and superior 5G service delivery. This prestigious career opportunity offers a lucrative CTC of up to 25 LPA, high-visibility enterprise exposure, and professional growth within a leading global technical recruitment and IT consulting enterprise.

Detailed Job Description:

As a 5G Core Network Engineer supporting Artech L.L.C. on a 100% remote professional basis (Contract-to-Hire engagement), you will take full operational, tactical, and technical ownership of core network architecture design, interface management, performance auditing, and cross-functional engineering collaboration. Your day-to-day responsibilities include designing, configuring, and optimizing 4G and 5G core network nodes (AMF, SMF, UPF, CUPS, MME, DNS, NRF), managing complex Access and Mobility Management Function (AMF) interfaces including N1, N2, N8, N11, N14, N15, N26, and others, ensuring strict adherence to 3GPP specifications (particularly 3GPP TS 23.501) and industry standards, driving performance optimization and compliance validation of AMF and SMF functionalities, collaborating proactively with integration engineers and network architects during deployment cycles, and interacting directly with lead recruiters like Shruti Chandra.

Key Responsibilities:

• Architect, design, configure, and optimize enterprise-grade 4G and 5G core network infrastructure for Tier-1 product environments.
• Manage core network nodes including AMF, SMF, UPF, Control and User Plane Separation (CUPS), MME, DNS, and Network Repository Function (NRF).
• Configure, monitor, and troubleshoot complex AMF interfaces including N1, N2, N8, N11, N14, N15, and N26 signaling links.
• Ensure strict compliance with 3GPP technical specifications and telecommunications standards, with specific emphasis on 3GPP TS 23.501.
• Drive performance optimization, latency reduction, and capacity scaling across AMF and SMF network functions.
• Collaborate proactively with multi-vendor integration teams, software developers, and core network architects.
• Ensure seamless interworking, signaling integrity, and interface compatibility across all connected network functions.
• Maintain meticulous network architecture blueprints, interface specifications, compliance reports, and configuration runbooks.

Required Qualifications & Skills:

• Bachelor’s degree in Telecommunications Engineering, Electrical Engineering, Computer Science, or related technical discipline.
• Minimum of 7+ years of progressive professional hands-on experience in 4G/5G Core Network Engineering and telecommunications.
• Strong, demonstrable operational expertise in 5G and 4G core nodes: AMF, SMF, UPF, CUPS, MME, DNS, and NRF.
• Comprehensive working knowledge and practical proficiency in managing AMF interfaces (N1, N2, N8, N11, N14, N15, N26).
• Deep practical understanding of 3GPP specifications, core network architecture, and specifically 3GPP TS 23.501 standards.
• Solid practical grasp of network compliance validation, performance optimization, and multi-vendor integration workflows.
• Exceptional analytical problem-solving aptitude, signaling trace troubleshooting capabilities, and professional stakeholder communication skills.
• Mandatory legal work authorization and physical availability for remote professional operations.

Nice-to-Have Skills:

• Professional telecommunications certifications such as 3GPP 5G Core Certified Professional or vendor-specific core engineering credentials.
• Prior professional working experience supporting Tier-1 product-based telecom companies and mobile network operators.
• Hands-on familiarity with cloud-native network functions (CNF), Kubernetes, Docker containerization, and automated CI/CD pipelines.
• Experience utilizing enterprise agile tracking and collaboration platforms (Jira, Confluence, GitHub Enterprise).
• Active participation in 3GPP standards committees, core network user groups, or telecommunications engineering societies.

Application Information:

• Recruiter: Artech L.L.C. Recruitment Division
• Contact Name: Shruti Chandra (Lead Recruiter)
• Email: [e-mail]
• Phone:
• Application URL: https://lnkd.in/gv_8v4FZ
• Company Website: https://www.artech.com
• Salary/Rate: Up to 25 LPA / Contract-to-Hire Enterprise Package
• Work Schedule: 100% Remote Professional Operations
• Deadline: Open until filled (Immediate Joiners Preferred)
• Notice Period: Immediate Joiners Strongly Preferred
• Contract Duration: Contract-to-Hire (C2H)

Recruitment Pro Tip:

When applying for this 5G Core Network Engineer position through Artech, ensure your resume explicitly highlights your AMF/SMF interface management tenure, 3GPP TS 23.501 compliance experience, and immediate joiner status.