Cloud Network Engineer

1 week ago

Manchester, United Kingdom 3Roc Technology Full time

Location: Remote (UK-based) On-site work required only during key migration or cutover activities
Type : Contract or Permanent
Travel : Occasional UK travel for migration weekends, physical DC work or high-risk cutover events

We are seeking experienced Network Migration Engineers to design, build and execute the network transformations required for large-scale legacy-to-cloud migrations.
You will support migrations from traditional data centre environments into AWS and Stromasys emulation platforms (CHARON), ensuring robust and secure hybrid connectivity throughout the process.
This role is remote-first but requires hands-on support during cutovers, weekend migrations and controlled outage windows.

Network Design & Migration Execution
Design and implement AWS network landing zones, including VPC layouts, subnetting, routing, segmentation and network security controls.
Build hybrid connectivity between on-premises data centres and AWS, covering:
AWS Direct Connect
Participate in migration weekends, overnight cutovers and high-risk change windows.
Execute network changes in accordance with formal runbooks and change-control processes.
Implementation steps
Validation/testing procedures
Troubleshoot real-time issues across routing, firewalling, connectivity and cloud network layers.

Work closely with cloud engineers, architects, security analysts and platform teams to define end-to-end migration patterns.
Interface with application teams to support dependencies, firewall rules, DNS changes and service routing outcomes.

Stromasys Emulation Networking
Understand or learn the networking behaviour of Stromasys CHARON emulated systems (SPARC/Power).
Assist in mapping legacy network topologies into their emulated/cloud equivalents.
Core Network Engineering
Strong hands-on networking experience with enterprise vendors such as:
Palo Alto Networks
Cloud & Hybrid Networking
Proven experience designing and implementing AWS networking, including:
Strong experience delivering hybrid connectivity (VPN, Direct Connect, routing integration).

Experience performing network changes as part of large-scale cloud migrations.
Comfortable working during weekend cutovers, outage windows and high-pressure transitions.
Proven ability to follow and create detailed network migration runbooks.

Understanding of Stromasys CHARON network requirements and patterns.
Ability to operate calmly and accurately during high-risk change events.
450–£550 per day / £65,000–£80,000 perm FTC

Explain how you design hybrid networking for AWS migrations.
What is your approach to planning network cutovers?

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