Black Box

End-to-end digital infrastructure and IT services

Lead Network Engineer - Network

Network Engineering & AdministrationConfirmed live in the last 24 hours

Full-timeIndiaNo salary listedIn-person

About the Job

Requirements

Seven to ten years of overall networking experience, including at least three years of hands-on experience with Aruba technologies.
Strong hands-on implementation and troubleshooting experience with Aruba ClearPass Policy Manager.
Strong hands-on experience with Aruba CX switches.
Strong enterprise networking knowledge across Layer 2 and Layer 3 networking.
Knowledge of Aruba Central administration, including switch, access point, and gateway management; configuration profiles, provisioning, monitoring, upgrades, and troubleshooting.
Knowledge of ClearPass configuration and integration, including 802.1X, MAC authentication, RADIUS, TACACS+, EAP, policies, Active Directory or LDAP, device profiling, guest access, Access Tracker, CoA, and cluster administration.
Knowledge of Aruba switching, including VLANs, trunking, LACP/LAG, STP/RPVST, LLDP, VSF, VSX, MCLAG, ACLs, DHCP snooping, dynamic ARP inspection, port security, QoS, VRF, Layer 3 routing, OSPF, BGP, static routing, gateway redundancy, and network segmentation.
Knowledge of enterprise Aruba wireless, including SSIDs, WPA2/WPA3, 802.1X, RADIUS, RF fundamentals, channel planning, power optimization, roaming, client connectivity, and wireless authentication.
Knowledge of TCP/IP, the OSI model, IPv4/IPv6, DHCP, DNS, ARP, ICMP, NAT, multicast, WAN technologies, and internet connectivity.
Ability to independently handle complex Layer 2/Layer 3, WLAN, Aruba Central, and ClearPass issues.
Strong customer and stakeholder management and technical leadership skills.

Responsibilities

Lead the design and implementation of enterprise Aruba network infrastructure and LAN, WLAN, and NAC solutions.
Prepare and review high-level and low-level designs, network topology diagrams, implementation plans, and migration plans.
Define IP addressing, VLAN, routing, segmentation, and redundancy architecture; review existing architectures and recommend improvements.
Lead Aruba network migration and transformation projects.
Administer Aruba Central, onboard and manage Aruba CX switches, access points, and gateways, monitor network health and performance, perform configuration changes and firmware upgrades, troubleshoot issues, and generate reports.
Support AirWave-to-Aruba Central migration where applicable.
Design, deploy, and administer ClearPass Policy Manager; configure network access control and integrate ClearPass with identity, security, Aruba, and third-party network infrastructure.
Configure employee, guest, contractor, and IoT access policies, guest onboarding, endpoint profiling, role-based access, and posture assessment where required.
Troubleshoot authentication failures, RADIUS communications, ClearPass policies, clusters, services, and certificates; perform upgrades and backup/restore.
Design and implement enterprise Aruba WLAN solutions; configure and troubleshoot access points and gateways/controllers, and optimize wireless health and performance.
Troubleshoot wireless coverage, utilization, interference, authentication, roaming, access point connectivity, and client-performance issues.
Act as technical lead for Aruba network projects and provide Level 3 support for critical network incidents.
Lead troubleshooting of complex Aruba Central, ClearPass, WLAN, and switching issues; perform root cause analysis and drive priority 1 and priority 2 incidents to closure.
Coordinate with Aruba/HPE technical assistance center and other original equipment manufacturer vendors.
Mentor Level 1 and Level 2 network engineers, conduct technical reviews and knowledge-sharing sessions, and review configuration changes before implementation.
Ensure adherence to change-management procedures and lead technical discussions with customers and stakeholders.
Provide technical guidance during migrations and major changes.
Plan and execute Aruba network deployments and migrations from legacy Cisco or other vendors to Aruba, and from AirWave to Aruba Central where applicable.
Perform pre-checks and post-checks, develop implementation and rollback plans, conduct user acceptance testing and network validation, perform firmware/software upgrades, and coordinate maintenance windows.
Minimize service disruption during migration activities.

Desired Qualifications

Experience with Aruba CX 6000, 6100, 6200, 6300, 6400, or 8000 series platforms, depending on the customer environment.
Experience with multicast networking.
Experience with SD-WAN.

Job Description – Lead Network Engineer – Aruba

Position

Lead Network Engineer – Aruba | Aruba Central & ClearPass

Experience

7–10 years of overall networking experience, with 3+ years hands-on experience in Aruba technologies.

Role Overview

We are looking for an experienced Lead Network Engineer with strong hands-on expertise in HPE Aruba Networking, Aruba Central, and Aruba ClearPass. The candidate will be responsible for leading enterprise network design, implementation, migration, troubleshooting, optimization, and operational support across wired, wireless, and NAC environments.

The engineer should be capable of independently handling complex L2/L3, WLAN, Aruba Central, and ClearPass issues and should have strong customer/stakeholder management and technical leadership skills.

Key Responsibilities

Aruba Network Design & Architecture

Lead the design and implementation of enterprise Aruba network infrastructure.
Design LAN, WLAN and NAC solutions based on business and security requirements.
Prepare and review HLD, LLD, network topology diagrams, implementation plans and migration plans.
Define IP addressing, VLAN, routing, segmentation and redundancy architecture.
Review existing network architecture and recommend improvements.
Lead Aruba network migration and transformation projects.

Aruba Central – Mandatory Skill

Expert-level administration of Aruba Central.
Onboard and manage Aruba CX switches, APs and gateways through Aruba Central.
Configure and manage: - Groups
Sites
Labels
Templates
Configuration profiles
Variables
Firmware compliance
Device provisioning
Monitor network health, device status, client connectivity and performance.
Perform configuration changes and firmware upgrades through Aruba Central.
Troubleshoot AP, switch and gateway issues using Central monitoring and analytics.
Analyze client connectivity, authentication, roaming and performance issues.
Configure and troubleshoot Central-managed WLAN and switching environments.
Support AirWave-to-Aruba Central migration, where applicable.
Generate network health and performance reports.
Implement Aruba Central best practices for enterprise environments.

Aruba Central is increasingly used for centralized deployment, monitoring and management of Aruba switches, APs and gateways.

Aruba ClearPass – Mandatory / Core Skill

The candidate should have strong hands-on implementation and troubleshooting experience with Aruba ClearPass Policy Manager.

ClearPass responsibilities:

Design, deploy and administer ClearPass Policy Manager.
Configure Network Access Control (NAC) for wired and wireless environments.
Configure: - 802.1X authentication
MAC Authentication / MAC Authentication Bypass
RADIUS
TACACS+
EAP authentication
Role mapping
Enforcement policies
Service policies
Network access policies
Integrate ClearPass with: - Active Directory / LDAP
RADIUS
Aruba switches
Aruba wireless infrastructure
Aruba Central
Third-party network devices
Configure device profiling and endpoint classification.
Implement role-based access control.
Configure employee, guest, contractor and IoT access policies.
Configure guest authentication and guest onboarding.
Troubleshoot authentication failures and RADIUS communication issues.
Analyze ClearPass Access Tracker logs and identify authentication/policy failures.
Configure enforcement profiles and downloadable/user roles where applicable.
Implement CoA / Change of Authorization.
Configure posture assessment where required.
Perform ClearPass upgrades, backup/restore and cluster administration.
Troubleshoot ClearPass cluster, service and certificate issues.
Integrate ClearPass with enterprise security and identity infrastructure.

ClearPass can use identity information and profiling to assign roles and enforce access policies through RADIUS-based integrations with Aruba infrastructure.

Aruba Switching

Strong hands-on experience with Aruba CX switches is required.

Required knowledge:

Aruba CX switching
VLAN configuration
Trunking
LACP / LAG
STP / RPVST
LLDP
VSF
VSX
MCLAG
ACL
DHCP Snooping
Dynamic ARP Inspection
Port security
QoS
VRF
Layer-3 routing
OSPF
BGP
Static routing
Gateway redundancy
Network segmentation

Preferred experience with Aruba CX platforms such as 6000/6100/6200/6300/6400/8000 series, depending on the customer environment. Current Aruba-focused roles also commonly call for VSX, VSF, VXLAN, VRF, OSPF and BGP experience.

Aruba Wireless

Design and implement enterprise Aruba WLAN solutions.
Configure and troubleshoot Aruba APs and gateways/controllers.
Strong knowledge of: - SSID configuration
WPA2/WPA3
802.1X
RADIUS
RF fundamentals
Channel planning
Power optimization
Roaming
Client connectivity
Wireless authentication
Troubleshoot: - Poor coverage
High utilization
Interference
Authentication failures
Roaming issues
AP connectivity
Client performance
Perform wireless health and performance optimization.

Core Networking – L2/L3

Strong enterprise networking knowledge is mandatory:

TCP/IP
OSI model
IPv4/IPv6
VLAN
STP
LACP
DHCP
DNS
ARP
ICMP
NAT
ACL
QoS
OSPF
BGP
VRF
Multicast – preferred
WAN technologies
Internet connectivity
SD-WAN – good to have

Lead / L3 Responsibilities

Act as technical lead for Aruba network projects.
Provide L3 support for critical network incidents.
Lead troubleshooting of complex Aruba Central, ClearPass, WLAN and switching issues.
Perform detailed Root Cause Analysis (RCA).
Drive P1/P2 incidents to closure.
Coordinate with Aruba/HPE TAC and other OEM vendors.
Mentor L1/L2 network engineers.
Conduct technical reviews and knowledge-sharing sessions.
Review configuration changes before implementation.
Ensure adherence to change-management procedures.
Lead technical discussions with customers and stakeholders.
Provide technical guidance during migrations and major changes.

Implementation & Migration

Plan and execute Aruba network deployments.
Lead migration from legacy Cisco/other vendors to Aruba.
Lead migration from Aruba AirWave to Aruba Central, where applicable.
Perform pre-checks and post-checks.
Develop implementation and rollback plans.
Conduct UAT and network validation.
Perform firmware/software upgrades.
Coordinate maintenance windows.
Minimize service disruption during migration activities.

About the Company

Black Box

End-to-end digital infrastructure and IT services

Black Box provides digital infrastructure solutions for large enterprises and public-sector clients, designing, integrating, and managing IT environments. It offers services and products across networking, data centers, cybersecurity, unified communications, and digital workplace, along with consulting, project management, and managed services to design, deploy, and operate systems. The company differentiates itself as a vendor-agnostic integrator with a global delivery footprint, offering end-to-end capabilities from initial design to ongoing support. Its goal is to help organizations build scalable, reliable digital infrastructure across distributed locations to support modern operations.

Company size: Not listed
Company stage: IPO
Headquarters: Plano, TX
Founded: 1976

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