WeAreDevelopers Logo WeAreDevelopers
Sign in
For You LIVE
Back

Senior Networking and Security Specialist

Access Computer Consulting plc
UK
2 days ago
Apply on www.careerboard.com
Prepare application

Role details

Contract type
Temporary contract
Employment type
Full-time (> 32 hours)
Experience level
Expert
Working hours
Regular working hours
Job source
www.careerboard.com

Tech stack

Link Aggregation (Ethernet) Application Firewall Border Gateway Protocol Catalyst (Software) Cisco IOS Software Design Documents Enhanced Interior Gateway Routing Protocol High-Level Architecture Internet Protocol Security (IP SEC) Intrusion Detection and Prevention Junos Network Security
+27 more
Network Layer Routing Network Segmentation Cisco Nexus Switches Open Shortest Path First (OSPF) Remote Access Technology Zero Trust Network Access Software Deployment Virtual Local Area Networks Wide Area Networks Network Routing Transport Layer Security Identity Services Engine Network Access Control Load Balancing Computer Network Technologies System Availability ARUBA Advanced Reports Firewalls (Computer Science) Amazon Virtual Private Cloud (VPC) Juniper SC Clearance Fortinet Firepower Big Ip Cisco

Job description

  • Lead the design and hands-on implementation of complex, multi-vendor network and security solutions across greenfield and brownfield environments.
  • Produce High-Level Design (HLD) and Low-Level Design (LLD) documentation to a professional standard, suitable for internal review and client/stakeholder sign-off.
  • Develop detailed implementation plans and change records, ensuring alignment with change management processes and minimal operational risk.
  • Author comprehensive operational runbooks to support handover to operations and ongoing support teams.
  • Perform design validation, proof-of-concept (PoC) testing, and pre/post-implementation verification.
  • Configure, deploy, and optimise network and security infrastructure across a range of vendor platforms and technology domains.
  • Diagnose and resolve complex, multi-layer network and security incidents, providing expert-level technical escalation support.
  • Conduct technical assessments and capacity planning reviews, identifying risks and recommending improvements.
  • Escalates unresolved problems and issues to the relevant third parties.
  • Delegates lower complexity tasks to engineers and technicians.
  • Assumes responsibility for the coordination of the activities of the engineers, in line with performance targets, leading by example and monitoring the quality of engineer’s and technician’s work when required.
  • Act as the primary technical point of contact for stakeholders across projects, providing clear and timely communication on design decisions, project status, and risk.
  • Acts as coach and mentor to more junior Implementation Engineers and Technicians.
  • Present technical designs and implementation strategies to both technical and non-technical audiences, including senior leadership.
  • Collaborate with project managers, solution architects, client network, security teams, and operations to ensure seamless delivery.
  • Manage technical scope, expectations, and dependencies throughout the project life cycle
  • Assumes responsibility for the coordination of the activities of the Engineers, in line with performance targets.
  • Engages vendors for priority escalations or bugs found during deployments.
  • Perform any other related task as required.

Requirements

  • Proven track record delivering complex, multi-technology network and security designs in enterprise or service provider environments.
  • Advanced understanding and appreciation of technical design and business principles.
  • Advanced project fundamental and administration ability.
  • Advanced project fundamentals which are demonstrated in the execution of installations and other assignments.
  • Strong documentation skills with a portfolio of HLD, LLD, implementation plans, and runbooks
  • Advanced customer engagement skills.
  • Advanced relevant domain specialist knowledge.
  • Excellent verbal communication skills.
  • Client focused and displays a proactive approach to solving problems.
  • Advanced ability to coach, mentor and provide guidance to team members.

  • Ability to take ownership as technical lead during project life cycle. Academic Qualification and Certifications:

  • Professional level certification in different Networking technologies such as Cisco, Juniper, Aruba, F5, CCIE, JNCIE, ACMP etc. Required experience:

  • Advanced work experience in technical implementation engineering, specific to Networking Routing & Switching. o Enterprise and service provider routing protocols: BGP, OSPF, IS-IS, EIGRP o Advanced switching: VLAN design, STP/RSTP/MSTP, VPC/LACP, QoS o Overlay and underlay technologies: VXLAN, GRE, IPsec

  • Advanced work experience in technical implementation engineering, specific to Cisco ACI (Application Centric Infrastructure). o ACI fabric design, including spine-leaf architecture and multi-pod/multi-site o Tenant, VRF, BD, EPG, and contract configuration o Integration with external Layer 3 routing and Layer 4-7 service insertion o ACI troubleshooting and operational management

  • Advanced work experience in technical implementation engineering, specific to Networking Network Security. o Next-Generation Firewall (NGFW) design and implementation o Intrusion Detection and Prevention Systems (IDPS), Web Application Firewalls (WAF). o Zero Trust Network Access (ZTNA), micro-segmentation, and network access control (NAC) o VPN technologies: IPsec, SSL/TLS, SD-WAN security integration o Security policy life cycle management and compliance alignment o Application delivery design and implementation: L4/L7 load balancing, SSL offloading, global server load balancing (GSLB) o High availability architectures including active/passive and active/active clustering

  • Advanced experience engaging with clients and conducting presentations.
  • Advanced report writing experience.
  • Advanced good project management experience.
  • Advanced experience in diagnosis and troubleshooting.

  • Must currently hold or be eligible to obtain UK Security Clearance (SC) Vendor Platforms:

  • Cisco - IOS/IOS-XE/IOS-XR/NX-OS, ASA, Firepower, ISE, Catalyst Center (DNAC), ACI
  • Juniper - JunOS, SRX
  • Fortinet - FortiOS, FortiGate NGFW, FortiManager, FortiAnalyzer
  • F5 - BIG-IP LTM/GTM/ASM/APM, iRules
  • Firewall platforms with Cisco ACI

Apply for this position

This job is hosted externally. Click below to view the full posting and apply.

Apply on www.careerboard.com
Prepare application

Good distractions

Loading talks and stories from around this role…