Network DevOps Engineer

Network DevOps Engineer (Mid Level) | Edge Services | Hatfield | Hybrid (2 days office)

About us:

Ocado Technology is putting the world’s retailers online using the cloud, robotics, AI, and IoT. We develop the innovative software and systems that power Ocado.com, the world’s largest online-only grocery retailer as well as the global ‘Ocado Smart Platform’. With everything from websites to fully autonomous warehouses that we design in-house, our employees need to be specialists in a wide range of technologies to help drive our business. We champion a value-led culture to get our teams working at their very best and to help create a collaborative working environment that our people love. Core values of Trust, Autonomy, Craftsmanship, Collaboration and Learn Fast help drive our innovative culture.

About the role:

The Ocado Smart Platform Network Team is seeking a Network Engineer to lead the delivery of core network and automated projects for our international robotic fulfillment warehouses.

With thousands of network devices operating across the globe, we have ambitious plans to launch new warehouse networks this year and beyond. As our operations scale, we increasingly rely on DevOps practices to manage this growth effectively.

You'll be joining an established, experienced team. The ideal candidate will have started their career as a Network Engineer before expanding their expertise to include network automation technologies like Python, Yang, Netconf, and cloud services. We're particularly interested in candidates with experience in continuous testing, deployment, monitoring, and infrastructure as code.

Our networks primarily use Juniper Networks hardware, including MX, SRX, QFX, and EX products, with Palo Alto firewalls also playing a role. MPLS is at the core of our network, utilizing the Juniper MX router platform. In our data centers, we deploy a mix of L3VPNs and EVPN-enabled VXLAN overlays. The role and responsibilities are as follows; 

• Design solutions aligned with Ocado Tech engineering principles.
• Deliver business value and solve technical challenges.
• Minimize waste in workflows and use data to inform future designs.
• Adhere to and improve quality standards.
• Recommend industry practices, conduct testing, and address security vulnerabilities.
• Enhance diagnostics to resolve product issues.
• Address support queries and participate in out-of-hours support as needed.
• Contribute to technical decisions and standards within your team.
• Support and actively participate in team continuous improvement.
• Engage in technical discovery and design activities, sharing insights.

What we’re looking for: 

• Solid understanding of networking fundamentals, particularly with Juniper 
• Proficiency in Python 
• Experience with Linux, especially Debian/Ubuntu 
• Familiarity with infrastructure as code tools, such as Python, Yang, Netconf, Ansible/Puppet/Salt/Chef, or similar 
• A good grasp of DevOps principles and practices.

Bonus points for knowledge of:

• Cloud development, especially with AWS (primary) and GCP (secondary).
• Network certifications (e.g., JNCIS, JNCIP, JNCIE).
• Experience with Juniper platforms like MX, SRX, QFX, and EX.
• Data plane and control plane protocols, such as OSPF, BGP, MPLS, VXLAN, and EVPN.
• Network services like DHCP, DNS, NTP, RADIUS, and SNMP.
• AWS infrastructure management.
• Version control tools, such as Git.
• General Linux system administration.
• Pytest for testing.
• YANG data modeling.
• Monitoring systems like Nagios, Prometheus, Grafana, and LibreNMS.
• CI/CD processes and tools.
• Agile development methodologies.

What do I get in return:

• Hybrid working model (2 days in the office)
• 30 days ‘work from anywhere’ policy + 
• Remote working for the month of August
• 25 days annual leave, rising to 27 days after 5 years service (plus optional holiday purchase)
• Pension scheme (various options available including employer contribution matching up to 7%)
• Private Medical Insurance
• 22 weeks paid maternity leave and 6 weeks paid paternity leave (once relevant service requirements complete)
• Train Ticket loan (interest-free)
• Cycle to Work Scheme
• Opportunity to participate in Share save and Buy as You Earn share schemes
• 15% discount on Ocado.com and free delivery for all employees
• Income Protection(can be up to 50% of salary for 3 years) and Life Assurance (3 x annual salary)
• Free shuttle bus to and from Hatfield train station 
• Share options + free shares annually 

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