At a Glance
- Tasks: Provide hands-on technical support for Juniper Networks products and lead network design evolution.
- Company: Join a global communications leader with a focus on innovation and collaboration.
- Benefits: Enjoy hybrid work, competitive salary, and opportunities for professional growth.
- Other info: Dynamic role with excellent career advancement opportunities in a supportive environment.
- Why this job: Make a real impact in large-scale networks while working with cutting-edge technology.
- Qualifications: 10+ years in network design and strong expertise in Juniper products required.
The predicted salary is between 51750 - 63250 £ per year.
Sr. Juniper Network Architect
Our global communications client is looking for a hands-on Senior Architect/Engineer for a highly technical, customer-facing role providing post-sales, on-site technical support for Juniper Networks products/solutions.
This role partners closely with our client's Network Engineering, Architecture, and Operations teams to ensure high availability, scalability, and operational excellence across large-scale service provider networks.
The role requires you to have a deep technical expertise in the Juniper products deployed (and planned for deployment) within our client's network and delivers reactive and proactive operational support, design guidance, and best-practice recommendations.
Essential Skills
- Senior Juniper architect spanning campus, data center, routing and security; able to own customer design and consulting.
- Experience in supporting major network transformations, upgrades, or expansions.
- 10+ years large-IP network design, implementation and operation.
- Large-scale hands-on experience with: MX, QFX, EX, ACX and PTX platforms
- BGP/OSPF, IS-IS, RSVP-TE/LDP; EVPN/MPLS, VPWS/VPLS and L2/L3VPN.
- Juniper EVPN/VXLAN campus and DC fabrics.
- Strong experience with JUNOS CLI.
- SRX high-end/midrange/branch security; firewall policy, IPS, IPsec and high availability; Mist.
- Expert-level Technical Certifications: JNCIS, JNCIP, JNCIE, CCNP, and CCIE a strong
- Automation experience
- JNCIE highly preferred
The right candidate should also have a strong understanding of service provider networking technologies, including:
- TCP/IP & MPLS fundamentals
- Routing protocols: OSPF, IS-IS, BGP
- MPLS-TE, RSVP, LDP
- IPv4/IPv6
- BGP routing policy & peering
- VPN technologies: L3VPN, VPLS, MVPN
- Ethernet switching, 802.1Q
- Qo S / Class of Service
- Hands-on Scripting Python & Juniper Py EZ.
Role Responsibilities
- Provide day-to-day post-sales operational support for production and pre-production network environments
- Troubleshoot complex hardware, software, and network issues across large-scale IP/MPLS infrastructures
- Open, manage, and drive Juniper JTAC cases to resolution, including root cause analysis and corrective actions
- Support during critical incidents, outages, and escalation scenarios
- Conduct network information-gathering workshops to understand current network architecture, operational workflows, and future design
- Provide guidance on network design evolution, capacity growth, and technology adoption aligned with the roadmap.
- Assist with major network upgrades, maintenance windows, migrations, and change events
- Lead technology and operations workshops to review ongoing issues and JTAC case status and explain root causes, mitigations, and long-term solutions
- Train engineering, implementation, and operations teams on configuration, monitoring and day-to-day operation of Juniper platforms
- Assess network health and stability across Juniper environments.
- Create and review customer SOPs and MOPs to identify procedural gaps that could result in network or service outages
- Develop and maintain automation scripts to reduce operational toil, improve consistency and accuracy, & accelerate troubleshooting
- Write & support Python-based automation tools for configuration
This is an excellent senior technical role that offers a great opportunity to work for a global communications client.
The role can be worked hybrid based out of London & falls outside of IR35.
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Senior Juniper Network Architect in City of London employer: Randstad Technologies
As an innovative Original Equipment Manufacturer based in Salisbury, we pride ourselves on fostering a collaborative and dynamic work environment that encourages creativity and technical excellence. Our commitment to employee growth is reflected in our comprehensive training programmes and opportunities for advancement within the rapidly evolving field of Uncrewed Aerial Systems. With a hybrid working model and a focus on cutting-edge technology, we offer a unique chance to contribute to safety-critical projects while enjoying a supportive and flexible workplace culture.
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We think you need these skills to ace Senior Juniper Network Architect in City of London
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Since IT consulting often involves teamwork and client interactions, expect behavioural questions that assess your interpersonal skills. Be prepared with examples that demonstrate your adaptability, communication skills, and how you handle client feedback. Before the interview, think of situations where you worked closely with clients to create effective IT strategies or changes.
