CORE NETWORK ENGINEER SKILLS, EXPERIENCE, AND JOB REQUIREMENTS
Published: August 21, 2024 - The Core Network Engineer possesses extensive experience in enterprise network design and implementation, including support for both wired and wireless environments. Proficient in multiple switching and routing protocols such as MPLS, VLANs, BGP, EIGRP, and OSPF, along with deep expertise in LTE network configuration, troubleshooting, and optimization. Skilled in using Cisco network devices, Identity Services Engine (ISE), and Microsoft Office applications, with familiarity across a range of vendors including Juniper, Mist, and Aruba.
Essential Hard and Soft Skills for a Standout Core Network Engineer Resume
- Network Design and Architecture
- TCP/IP Protocols
- Routing and Switching
- Firewall Management
- MPLS Technology
- IPv4 and IPv6
- Network Security
- VoIP Systems
- QoS Engineering
- Network Monitoring Tools
- Problem Solving
- Critical Thinking
- Teamwork
- Communication Skills
- Adaptability
- Attention to Detail
- Project Management
- Customer Service
- Time Management
- Leadership Skills
Summary of Core Network Engineer Knowledge and Qualifications on Resume
1. BS in Computer Science with 6 years of experience
- Experience with programming C/C++.
- Experience in Development engineering concepts and methodologies including Design, Implementation, Unit Testing and Debugging reasonably complex Save system modules.
- Strong knowledge and hands-on experience in Layer 2, Layer 3, Switching, Routing, VLANs, QoS
- Strong understanding of Linux Kernel Internals and Device Drivers or similar operating system.
- Strong communication skills.
- Ability to share information and communicate clearly to team members
- Strong interpersonal and teamwork skills
- Strong problem-solving and troubleshooting skills
- Ability to handle stress and work under pressure
- Understanding of WAN technologies, bandwidth, latency and how they affect application performance.
- Experience in Performance Tuning
- Experience in Scripting and automation Python, Perl, Unix or Linux
2. BS in Network Engineering with 5 years of experience
- Experience with network and technical implementation with emphasis on resilience and quality.
- Ability to troubleshoot complex network issues
- Outgoing team worker with strong work ethic
- Translating business requirements into solutions
- Network security experience (Fortigate firewalls, IPS, VPN)
- Knowledge of optical network technologies, CWDM, DWDM
- Experience with Datacenter and Network design
- Experience in working within a public network provider, mobile network provider or ISP
- Proficiency in maintaining 3GPP core networks.
- Experience in the use of network management tools, with a view to achieving continual improvement of network KPIs.
3. BS in Information Technology with 4 years of experience
- Experience in telecommunications and a mobile operator environment
- Experience in core network elements (HLR, GMSC, GGSN, etc.)
- Experience in core network elements (Evolved Packet Core)
- Experience in signaling routing platforms (STP, DSC, etc.)
- Experience in messaging platforms (SMSC, MMSC, VMS, etc.)
- Experience in supporting wholesale customers
- Experience in Message flows in a roaming environment
- Experience in SS7, Diameter, SIGTRAN and SIP and their application in mobile networks
- Experience in troubleshooting IP and signaling problems using standard tools such as Wireshark and tcpdump
4. BS in Computer Engineering with 5 years of experience
- Ability to design and develop new and existing virtualized network functions running on the EPC infrastructure and platform,
- Ability to reside within edge networks and within Google Data Centers to deliver a functional and reliable packet core used for all of Loon’s field operations.
- Ability to design and develop elements and functions of the NFVI platform to automate and improve deployment, operation, and maintenance, enhance resiliency, and improve network and virtualization management and orchestration tools.
- Experience with C++
- Experience designing and deploying high-availability production services and distributed systems, building reliable, scalable, maintainable systems.
- Experience with IP LAN and WAN networking, preferably within a mobile or internet service provider environment, including IPv6.
- Experience with one or more cloud and/or network virtualization platforms, such as OpenStack, CORD
- Experience with LTE EPC functions, protocols, and Interfaces between LTE network nodes (eNodeB, MME, SGW, PGW, HSS).
- Experience with Linux system administration, including VMs/Hypervisors, containers
- Experience with Software Defined Networking (SDN) technology and implementations
- A detailed working knowledge of EIRENE and 3GPP specifications.
- A working knowledge of cyber security requirements including AS 7770.
- Highly developed written and verbal communication skills.
5. BA in Information Systems with 4 years of experience
- Experience in enterprise network design and implementation.
- Experience supporting enterprise wired or wireless network environments.
- Experience with various switching principals including MPLS, VLANs, 802.1q Trunking and 802.3ad Link Aggregation.
- Experience with various routing protocols including BGP, EIGRP and OSPF.
- Knowledge and experience with the configuration and troubleshooting of wired and wireless network devices from Cisco as well as familiarity with other vendors including Juniper, Mist and Aruba.
- Familiarity with Cisco Identity Services Engine (ISE) or equivalent network access control applications.
- Experience with Microsoft Office Applications including Word, Excel, PowerPoint, Project and Visio.
- Experience with configuring, programming, testing, and troubleshooting LTE Core Network
- Deep expertise in LTE networks with experience configuring, troubleshooting, and optimizing, LTE protocol stack
- Knowledge of Private-cellular networks and its various use cases
6. BS in Telecommunications Engineering with 3 years of experience
- Experience in probing solutions preferably Radcom tools.
- Experience with testing and Monitoring tools.
- Experience working on mobility Evolve Packet Core in a lab environment
- Experience with TOL design, development, and execution
- Hands-on work experience using network protocol analyzers such as Wireshark
- Excellent communication, analytical, problem-solving, and documentation skills
- Knowledge of 3GPP call flows and parameters in the 4G/5G procedures in the core network
- Knowledge of 5G NR core network
- IP knowledge (i.e., ability to configure and understand VLAN's, Layer 23 routing, subnets, and plan IP's)
- Hands-on with a get-things-done attitude that can quickly learn and contribute to fast-paced projects
- Multi-domain technical knowledge of wireless technologies LTE, 5G, and WiFi
7. BS in Electrical Engineering with 4 years of experience
- Experience in the wireless industry
- Extensive understanding and experience in 4G EPC/5GC core, CUPS, virtualized Network Functions
- Knowledge and/or documented work experience in the following core functions SMF / UPF / AMF / NRF / NSSF / PCF / UDM / AUSF / MME, SAEGW, SPGW, or ePDG, and IMS components
- Hands-on experience in designing, implementing, integrating, and deploying solutions in the EPC (Evolved Packet Core).
- Experience in working on testing tools used for testing/validation of the core network solutions
- Understanding 3GPP Core Network (EPC, 5GC) and IMS
- Understanding of end-to-end call flow scenarios, such as - VoNR, ViNR, inter-carrier roaming (n14, N26), EPS fallback, SMS, MMS, E911
- Extensive understanding of software systems/services running in virtualized environments (Kubernetes, AWS) and Core Network Functions (NF’s – VNF/CNF)
- Experience in scripting and developing test automation
- Understanding of Core Network performance KPI’s/metrics – such as, latency/throughput considerations and issues from core cloud deployment to Data Center locations
8. BA in Technology Management with 3 years of experience
- Understanding and experiences with virtualized networks, orchestration, and automation across a comprehensive network architecture
- Knowledge of IP networking and cloud/MANO technologies (Kubernetes)
- Experiences in testing tools, such as UE simulators, UE debuggers, Load/Traffic generators, packet core simulators
- Excellent skills with Microsoft productivity apps, Project as well as Database tools
- Excellent organizational and problem-solving abilities
- Ability to effectively communicate technical issues to a wide range of audiences both orally and in writing
- Ability to work with minimal supervision and handle multiple tasks/schedules simultaneously
- Good understanding of Linux with scripting/programming experience a plus.
- Strong problem-solving skills and the drive to find solutions to difficult problems.
- Must be highly organized with good documentation skills.
9. BS in Cybersecurity with 2 years of experience
- Strong Knowledge on GSM, GPRS/EDGE, 3G/UMTS, SS7 and LTE (NB-IoT preferred)
- Strong Knowledge of network protocol and infrastructure
- Strong Knowledge and experience in troubleshooting on EPC Network nodes, including MME, MCC, PGW, SGW
- Strong Knowledge and experience in troubleshooting over the global network elements on the Common Subscriber Database (CSDB) including HLR, HSS, Provisioning Gate and CUDB
- Good Knowledge of OS Unix and shell scripting is a plus
- Good Knowledge of the English language both written and spoken
- Willingness to perform night activities, and to take part in the team on-call rotations
- Excellent interpersonal skills and interaction in stressful situations
- Profile with good growth capability and proactive approach.