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Network/Wireless Engineer – L3

Role Overview:

We are seeking an experienced Network/Wireless Engineer (L3) to join our IT infrastructure team. In this role, you will be responsible for analyzing, troubleshooting, and resolving network hardware and software connectivity issues. You will play a critical part in supporting network infrastructure, maintaining wireless technologies, optimizing performance, and providing network security solutions. The ideal candidate will have hands-on experience with network administration, wireless technologies, and routing/switching protocols.

Certifications:

CCNA, CCNP, CCIE(preferred).
ITIL V3or ITIL V4 certification (desirable).
Experience with SDN(Software-Defined Networking), Wi-Fi 6, and network automation is a plus.

Desired Skills:

Hands-on experience with WLCs(e.g., RFS 4000, V2110, NX9600, 7500/5500 series, VX9000 series).
Experience with WAPs(e.g., AP302W, AP360i/e, AP460C, AP500, 310 series).
Knowledge of Industrial Ethernet platformslike Cisco and Siemens Scalance.
Familiarity with network automationand APIs for network management.

Roles & Responsibilities:

Team Collaboration & Leadership:

Work collaboratively with cross-functional teams to deliver integrated network solutions.
Provide technical mentorship to junior network engineers and assist in the resolution of complex networking issues.

Network Design & Architecture:

Assist in assessing and improving the organization’s existing network infrastructure.
Design, document, and optimize network architectures to ensure scalability, security, and reliability.
Work on network design blueprintsand participate in architecture review boards to provide recommendations on improving the network.

Network Performance & Optimization:

Monitor network performance continuously to detect bottlenecks and propose solutions to improve overall network efficiency.
Conduct capacity planningto support future network growth and changes in demand.
Optimize QoS (Quality of Service)settings and network configurations for high performance and reliability.

Documentation & Reporting:

Develop and maintain network design documents, network topology diagrams, and configuration standards.
Create comprehensive project plans, timelines, and cost estimates for network implementation.
Provide clear, concise reports and technical presentations to stakeholders, ensuring transparency in all network operations and changes.

Main Responsibilities:

Network Troubleshooting & Maintenance:

Analyze and resolve network hardwareand software connectivity issues across a wide range of network platforms (LAN, Wireless).
Install, configure, and troubleshoot Wireless Access Points (WAPs)and Controllers (WLC).
Use SolarWindsor other network monitoring tools to perform remote monitoring and management of network infrastructure.
Respond to incoming tickets, troubleshoot, and escalate issues when necessary.

Network Performance & Optimization:

Conduct network trends analysisfor capacity planning and proactive fault finding to ensure network reliability and performance.
Perform performance tuning, bandwidth monitoring, and recommend optimizations.
Carry out root cause analysisof network syslog entries and documentation for troubleshooting and reporting.

Wireless Network Management:

Maintain and support wireless networks, including hands-on management of Extreme Networksand Cisco wireless technologies.
Troubleshoot wireless networking issues including 1X authentication, guest wireless, TACACS, and NAC (Network Access Control)solutions.
Configure and manage Wireless Controllers (WLCs), including models like RFS 4000, V2110, NX9600, 7500/5500 series, and VX9000 series.
Configure and manage WAPssuch as AP302W, AP360i/e, AP460C, AP500, 310 series.

Network Administration & Security:

Ensure network security by applying best practices in routing, VPN, and other network security protocols.
Configure and troubleshoot routing protocolssuch as OSPF and BGP, and manage VPN technologies.
Participate in proactive network security checks and ensure the integrity of the network infrastructure.

Collaboration & Documentation:

Work closely with TAC(Technical Assistance Center) when required for advanced troubleshooting and support.
Collaborate with cross-functional teams for seamless network and wireless management.
Maintain and contribute to network documentation, including network topology, configuration standards, and operational procedures.
Provide Root Cause Analysis (RCA)for major incidents and problems to prevent recurrence.

Vendor Management:

Collaborate with vendors to evaluate, select, and implement network solutions.
Manage relationships with third-party providers and ensure compliance with SLAs and contractual agreements.

Training & Knowledge Sharing:

Mentor junior network engineers and provide technical guidance on complex network and wireless issues.
Participate in architecture review boards and provide expertise on network-related projects.
Stay updated on emerging technologies, certifications, and industry trends to enhance professional expertise.

Required Skills & Qualifications:

Bachelor’s degreein Computer Science, Information Technology, or a related field.
4+ yearsof hands-on experience in network administration and wireless technologies, with a strong focus on troubleshooting and optimization.
Strong knowledgein network administration processes and concepts, with experience in configuring and managing network hardware, wireless solutions, and network security.
In-depth experiencewith Cisco networking equipment, Extreme Networks, and other network vendors.
Solid understandingof routing and switching protocols (e.g., OSPF, BGP), and VPN technologies.
Hands-on experience with Cisco ISE, SDWAN, and Cisco DNAC.
Experience with network monitoring tools such as SolarWinds, LogicMonitor, ThousandEyes, or Cisco Spaces.
Familiarity with Security Technologiesin network management, including 1x flow, NAC solutions, and TACACS.

Experience : 4+ Years

Full-time/Contract
Network Manager / IT Infrastructure Lead

Simplex-Services, headquartered in Brighton, formed in 2014, specialises in information technology consulting and the implementation of IT services across all industries.

Our agile, dynamic teams of IT and business strategy enablers allow us to cut across the limitations of large-scale organisations by delivering services and solutions with speed, precision and flexibility. With over 100 years of corporate experience amongst our founding members, we offer our clients immediate advice and tailored solutions to your strategy.

With a fresh approach to IT and practical awareness that any solution needs to be end user-centric and aligned to a strategy, Simplex Services have the capabilities to resolve small- and large- scale projects, whether in-house or through smart source frameworks.

Careers

Network/Wireless Engineer – L3

Role Overview:

Certifications:

Desired Skills:

Roles & Responsibilities:

Main Responsibilities:

Required Skills & Qualifications:

Simplex-Services, headquartered in Brighton, formed in 2014, specialises in information technology consulting and the implementation of IT services across all industries.

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