We are seeking an experiencedNetwork/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 withnetwork administration,wireless technologies, androuting/switching protocols.
Certifications:
- CCNA,CCNP,CCIE(preferred).
- Experience withSDN(Software-Defined Networking),Wi-Fi 6, andnetwork automationis a plus.
Desired Skills:
- Hands-on experience withWLCs(e.g.,RFS 4000,V2110,NX9600,7500/5500 series,VX9000 series).
- Experience withWAPs(e.g.,AP302W,AP360i/e,AP460C,AP500,310 series).
- Knowledge ofIndustrial Ethernet platformslikeCiscoandSiemens Scalance.
- Familiarity withnetwork automationandAPIsfor network management.
- 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.
- Assist in assessing and improving the organization’s existing network infrastructure.
- Design, document, and optimize network architectures to ensure scalability, security, and reliability.
- Work onnetwork 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.
- Conductcapacity planningto support future network growth and changes in demand.
- OptimizeQoS (Quality of Service)settings and network configurations for high performance and reliability.
Documentation & Reporting:
- Develop and maintainnetwork design documents,network topology diagrams, andconfiguration 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 resolvenetwork hardwareandsoftware connectivity issuesacross a wide range of network platforms (LAN, Wireless).
- Install, configure, and troubleshootWireless Access Points (WAPs)andControllers (WLC).
- UseSolarWindsor other network monitoring tools to perform remote monitoring and management of network infrastructure.
- Respond to incoming tickets, troubleshoot, and elevate issues when necessary.
Network Performance & Optimization:
- Conductnetwork trends analysisforcapacity planningand proactive fault finding to ensure network reliability and performance.
- Performperformance tuning,bandwidth monitoring, and recommend optimizations.
- Carry outroot cause analysisof network syslog entries and documentation for troubleshooting and reporting.
Wireless Network Management:
- Maintain and support wireless networks, including hands-on management ofExtreme NetworksandCisco wireless technologies.
- Troubleshoot wireless networking issues including1X authentication,guest wireless,TACACS, andNAC (Network Access Control)solutions.
- Configure and manageWireless Controllers (WLCs), including models likeRFS 4000,V2110,NX9600,7500/5500 series, andVX9000 series.
- Configure and manageWAPssuch asAP302W,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 troubleshootrouting protocolssuch asOSPFandBGP, and manage VPN technologies.
- Participate in proactive network security checks and ensure the integrity of the network infrastructure.
- Work closely 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.
- ProvideRoot Cause Analysis (RCA)for major incidents and problems to prevent recurrence.
- 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 degreeinComputer Science,Information Technology, or a related field.
- 4+ yearsof hands-on experience innetwork administrationandwireless technologies, with a strong focus on troubleshooting and optimization.
- Strong knowledgeinnetwork administration processesand concepts, with experience in configuring and managing network hardware, wireless solutions, and network security.
- In-depth experiencewithCisconetworking equipment,Extreme Networks, and other network vendors.
- Solid understandingofrouting and switching protocols(e.g.,OSPF,BGP), andVPN technologies.
- Hands‑on experience withCisco ISE,SDWAN, andCisco DNAC.
- Experience with network monitoring tools such asSolarWinds,LogicMonitor,ThousandEyes, orCisco Spaces.
- Familiarity withSecurity Technologiesin network management, including1x flow,NACsolutions, andTACACS.
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.
35 Sussex Innovation Centre, Science Park Square, Falmer, Brighton BN1 9SB
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