Roaming Network Engineer Job at Vodafone (Pune)

Sr. Ex-Roaming Network Engineer

We are seeking a Roaming Network Engineer to support 24/7 operations of Vodafone...

Location

India , Pune

Salary:

Not provided

Vodafone

Expiration Date

Until further notice

Requirements

2–4 years of experience working in roaming technologies
Strong analytical skills with the ability to interpret technical data effectively
Excellent verbal and written communication skills in English
Engineering Graduate with hands-on experience in SS7, SMS/SMPP, LTE and associated core network technologies
Knowledge of troubleshooting STP, DRA/DEA platforms and understanding of their interworking with core networks

Job Responsibility

Monitor and troubleshoot International Roaming services to maintain high service availability and performance
Apply in-depth expertise in 2G/3G/4G/VoLTE core network parameters and optimisation
Manage proactive and reactive incidents within agreed SLAs while ensuring a consistent customer experience
Identify opportunities for automation by analysing existing processes to enhance efficiency and reduce manual work
Use strong analytical capabilities to diagnose network quality KPI degradation and resolve customer-impacting issues

What we offer

Opportunity to work on advanced global roaming platforms including SS7, LTE, VoLTE and 5G services
Exposure to multi‑market, large‑scale operational environments
Collaborative work culture with continuous learning and development opportunities
Ability to contribute to automation and operational improvement initiatives

Wireless Network Engineer

Our client is expanding their network engineering capabilities and needs an onsi...

Location

United States , Osceola

Salary:

Not provided

Robert Half

Expiration Date

Until further notice

Requirements

6–15+ years of network engineering experience, with strong wireless specialization
Hands-on expertise with Cisco ISE, including: 802.1X, RADIUS/TACACS+, EAP‑TLS / certificate authentication, Profiling, posturing, and access policies, Policy sets and identity groups
Strong wireless engineering foundation with: Cisco WLC / Catalyst controllers, WLAN design and site surveys, Wireless performance optimization, Cisco or Meraki APs
Experience supporting large, distributed wireless environments
Background in manufacturing, industrial, logistics, education, healthcare, or similar complex wireless/NAC ecosystems
Understanding of Cisco switching, VLANs, routing fundamentals, and identity‑based networking
Ability to work reliably onsite in a fast‑paced operational environment

Job Responsibility

Support and optimize enterprise‑scale Cisco wireless networks, including access points, controllers, and WLAN architecture
Serve as an onsite expert for Cisco ISE, including policy sets, 802.1X authentication, RADIUS/TACACS+, certificate‑based access, profiling, and NAC workflows
Conduct wireless performance tuning, troubleshooting, and RF analysis across challenging industrial environments
Implement and maintain secure network segmentation and identity-based access controls
Troubleshoot authentication failures, roaming issues, wireless interference, certificate issues, and access policy conflicts
Support Cisco switching environments (Catalyst platforms) as part of wireless integration and connectivity
Participate in upgrades, hardware lifecycle management, and environment modernization projects
Document configuration standards, performance metrics, diagrams, and runbooks for ongoing operations
Collaborate cross‑functionally with operations, plant leadership, safety teams, and engineering staff

What we offer

medical
vision
dental
life and disability insurance
401(k) plan

Wireless Network Engineer

Our client is expanding their network engineering capabilities and needs an onsi...

Location

United States , Osceola

Salary:

Not provided

Robert Half

Expiration Date

Until further notice

Requirements

6–15+ years of network engineering experience, with strong wireless specialization
Hands-on expertise with Cisco ISE, including: 802.1X, RADIUS/TACACS+, EAP‑TLS / certificate authentication, Profiling, posturing, and access policies, Policy sets and identity groups
Strong wireless engineering foundation with: Cisco WLC / Catalyst controllers, WLAN design and site surveys, Wireless performance optimization, Cisco or Meraki APs
Experience supporting large, distributed wireless environments
Background in manufacturing, industrial, logistics, education, healthcare, or similar complex wireless/NAC ecosystems
Understanding of Cisco switching, VLANs, routing fundamentals, and identity‑based networking
Ability to work reliably onsite in a fast‑paced operational environment

Job Responsibility

Support and optimize enterprise‑scale Cisco wireless networks, including access points, controllers, and WLAN architecture
Serve as an onsite expert for Cisco ISE, including policy sets, 802.1X authentication, RADIUS/TACACS+, certificate‑based access, profiling, and NAC workflows
Conduct wireless performance tuning, troubleshooting, and RF analysis across challenging industrial environments
Implement and maintain secure network segmentation and identity-based access controls
Troubleshoot authentication failures, roaming issues, wireless interference, certificate issues, and access policy conflicts
Support Cisco switching environments (Catalyst platforms) as part of wireless integration and connectivity
Participate in upgrades, hardware lifecycle management, and environment modernization projects
Document configuration standards, performance metrics, diagrams, and runbooks for ongoing operations
Collaborate cross‑functionally with operations, plant leadership, safety teams, and engineering staff

What we offer

medical, vision, dental, and life and disability insurance
eligible to enroll in our company 401(k) plan
free online training

Senior Core Network Engineer

Location

Spain; United Kingdom

Salary:

Not provided

Airalo

Expiration Date

Until further notice

Requirements

I’ve been a Lead/Senior Engineer in a Tier 1 Carrier or Major NEP, managing massive subscriber scale
I’ve worked in a high-growth MVNO or MVNE environment, building flexible and agile core services
I’ve worked in smaller private networks or enterprise environments
Decoding ULR/ULA and Authentication flows on S6a
Troubleshooting GTP-C/GTP-U procedures on S5/S8 or S11
Debugging Gx or Gy Diameter interfaces to resolve quota or QoS issues
Managing flows across Iu-PS (3G) or EN-DC (5G NSA) signaling
Designing S-NAPTR records for MME/SGSN to discover PGW/SGW nodes
Managing ASN assignments and BGP peering for international roaming
Designing HSS/UDM profiles and APN configurations for specialized services (like IoT or IMS)

Fulltime

Senior Network Engineer

We are looking for a highly skilled HPE Aruba Senior Network Engineer – Premium ...

Location

India

Salary:

Not provided

Hewlett Packard Enterprise

Expiration Date

Until further notice

Requirements

5+ years of hands-on experience supporting and troubleshooting HPE Aruba WLAN solutions in large-scale enterprise environments
Expert knowledge of 802.11 standards, RF design, and enterprise Wi-Fi troubleshooting
Hands-on experience with HPE Aruba Mobility Controllers (AOS 8 & AOS 10), HPE Aruba APs, and HPE Aruba Central
Strong understanding of VLANs, QoS, AAA (RADIUS/TACACS), firewall rules, and network security best practices
Experience working in a high-pressure premium support environment with enterprise customers
Excellent problem-solving, analytical, and communication skills

Job Responsibility

Deliver premium support services to enterprise customers using HPE Aruba WLAN AOS8/AOS10 and HPE Aruba Central
Troubleshoot and resolve complex wireless performance, authentication, and roaming issues
Provide advanced technical guidance, best practices, and proactive recommendations for HPE Aruba WLAN environments
Work closely with customers to diagnose issues in HPE Aruba Mobility Controllers, APs, ClearPass (NAC), and cloud-managed networks in HPE Aruba Central
Perform Wi-Fi site analysis, RF tuning, and optimization for high-density environments
Analyze logs, packet captures, and HPE Aruba telemetry data to identify root causes of network issues
Collaborate with Engineering teams and product management team for escalations and fixes
Monitor and maintain customer networks using HPE Aruba Central, AirWave, and AI-driven analytics
Assist with firmware upgrades, security patching, and HPE ArubaOS version migrations
Document troubleshooting steps, resolutions, and best practices for internal teams and customers

What we offer

Health & Wellbeing
Personal & Professional Development
Unconditional Inclusion

Fulltime

Core Network Engineer – CS Core (ZTE)

This is a remote position. Position: Core Network Engineer – CS Core Technology/...

Location

Salary:

Not provided

Overture Rede

Expiration Date

Until further notice

Requirements

Strong hands-on experience with ZTE CS Core platforms
In-depth knowledge of CS Core architecture and signaling protocols (SS7, ISUP, MAP)
Experience with MSC, MGW, HLR/VLR, and signaling networks
Knowledge of call flow analysis, troubleshooting, and performance optimization
Familiarity with OSS tools for fault and performance management
Strong analytical and problem-solving skills
Work Experience: 10

Job Responsibility

Operate, configure, and maintain ZTE CS Core network elements such as MSC, MGW, HLR, VLR, and STP
Monitor core network performance, alarms, and KPIs to ensure high availability and reliability
Perform fault troubleshooting and root cause analysis for CS Core network issues
Handle configuration changes, software upgrades, patches, and license management
Coordinate with RAN, Transmission, and OSS teams for end-to-end service stability
Support interconnection, roaming, and signaling operations
Maintain accurate documentation of network configurations, changes, and incidents

Senior Core Network Engineer

We are looking for an expert engineer to lead the design, deployment, and expans...

Location

Salary:

Not provided

Airalo

Expiration Date

Until further notice

Requirements

Experience with a Tier 1 Carrier, Mobile-Operator, or Major Network Equipment Provider (NEP) background
Deep understanding of SGSN, GGSN, and HLR architecture
Extensive experience with PGW, HSS, SGW, and MME
Proficiency in 5G Non-Standalone (NSA), 5G Standalone (SA), and PCC
Hands-on experience with Diameter S6a (HSS-MME), Gx (PCRF-PGW), and Gy (OCS-PGW)
Strong knowledge of IP addressing, subnetting, OSPF/BGP routing, VRFs, and ASN management
Expert-level DNS resolution (A, AAAA, SRV, NAPTR), DHCP, and IPX/GRX management

Job Responsibility

Design and dimension the Packet Core (EPC/5GC) to ensure scalability for data growth
Manage roaming coverage with IPX/GRX providers, roaming sponsors, and direct bi-lateral agreements
Define specific network profiles and configurations for HSS/UDM subscribers, including QoS, AMBR, and APN subscriptions
Architect the DNS hierarchy for the mobile core, focusing on S-NAPTR records for MME/SGSN to discover PGW/SGW/UPF nodes
Plan and implement IP routing strategies, including ASN (Autonomous System Number) management and BGP peering for internet and roaming connectivity
Manage Access Point Name configurations for various service types, including IMS, Internet, and IoT
Perform deep-dive troubleshooting of signaling procedures across 3G (Iu-PS), 4G (S1-MME, S11, S5/S8), and 5G NSA (EN-DC)
Apply in-depth understanding of 3GPP standards for 3G, 4G EPC, and 5G NSA mobile data call-flows
Analyze and optimize critical flows, specifically Attach/Registration (Authentication vectors, ULR/ULA, Create Session) and Bearer Management (Dedicated bearer creation for VoLTE/QCI 1 and default bearers)
Utilize protocol analyzers such as Wireshark or Tektronix to decode ASN.1 based messages and Diameter signaling (Gx, Gy, S6a, S5, S8, GTP-C, GTP-U)

What we offer

Health Insurance
work-from-anywhere stipend
annual wellness & learning credits
annual all-expenses-paid company retreat in a gorgeous destination & other benefits

Fulltime

Senior Core Network Engineer

Location

Spain; United Kingdom

Salary:

Not provided

Airalo

Expiration Date

Until further notice

Requirements

At least 3 years in a hands-on engineering or architectural capacity in one of the following environments: Tier 1 Carrier / Mobile Network Operator (MNO)
Major Network Equipment Provider (NEP)
MVNO / MVNE
Primary responsibility for High-Level Design (HLD) or Low-Level Design (LLD) in one or more of: DNS Hierarchy: Designing S-NAPTR records for MME/SGSN node discovery (PGW/SGW/UPF)
IP Strategy: Managing ASN (Autonomous System Numbers) and BGP peering for internet/roaming connectivity
Subscriber Mapping: Defining HSS/UDM profiles, including QoS, AMBR, and APN subscriptions
Capacity Planning: Dimensioning EPC/5GC nodes to handle specific data growth projections
Roaming Architecture: Designing IPX/GRX connectivity and bi-lateral roaming agreements
Comfortable working in a remote environment
Based in Spain or UK

Job Responsibility

Leading the design and expansion of our Packet Core

Fulltime

Select Country

Roaming Network Engineer

Job Description

Job Responsibility

Requirements

What we offer

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