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Comgent

Network & Infrastructure Tooling / Automation Specialist/ Architect - freelance - hybrid, London, UK

Greater London
Posted 6 months ago
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Senior Network & Infrastructure Tooling Architect

About the Role

A critical position for a Senior technologist with deep expertise in designing, building, and governing network and infrastructure tooling platforms that enable scalable, reliable, and compliant enterprise environments.

The ideal candidate will define automation strategy, control frameworks, and operating models that abstract complex network and infrastructure into consumable, repeatable services, with a focus on resilience, auditability, and operational excellence—particularly in financial-services environments.

The role demands a proactive mindset, the ability to be detail-oriented, and comfort with operating in regulated settings.

Key Responsibilities

Infrastructure Tooling Architecture & Strategy

  • Define tooling strategy and reference architectures, aligning with platform engineering and DevOps principles
  • Design modular, API-driven tooling layers to decouple intent, policy, and execution across network and infrastructure domains
  • Establish standards for tool selection, integration, versioning, and lifecycle management
  • Align tooling strategy with regulatory, risk, and operational resilience requirements

Network Automation & Infrastructure as Code

  • Design and construct automation using Python, Ansible, and declarative models to enable repeatable, low-risk change
  • Translate high-level designs and policies into validated templates, pipelines, and reusable automation components
  • Implement guardrails, including:
    • Pre-change validation
    • Compliance checks
    • Drift detection
    • Automated rollback
  • Enable self-service infrastructure consumption models while maintaining strong governance and control

Cisco ACI & Policy-Driven Platforms

  • Design tooling and automation for Cisco ACI fabrics, tenants, policies, and multisite or multipod environments
  • Integrate Cisco ACI with:
    • IPAM
    • CMDB
    • CI/CD pipelines
    • Security platforms
  • Automate:
    • APIC operations
    • Configuration lifecycle management
    • Consistency validation across environments
  • Use ACI policy models as part of a broader infrastructure abstraction strategy

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I’m in my final year doing Economics and I don’t know whether to apply for grad schemes now or do a masters first. What do you think?

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Graduate Consultant — 2026 Scheme

PwC·London, UK
£35,000/yr

Why you're a good match

Strong

Your economics background and your summer at a regional bank line up with what PwC looks for on the consulting scheme. Applications close in four weeks.

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Why you're a good match

You’ve got the grades and the economics background, and your bank internship is exactly the experience this scheme looks for. Apply soon — deadlines close within the month.

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Your summer at the bank plus your econometrics coursework map directly to the day-one responsibilities on this scheme — client modelling, market briefings, and deal support.

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Routing, WAN & Platform Integration

  • Automate deployment and optimisation of:
    • Routing protocols: BGP, OSPF, EIGRP
    • Hybrid WAN designs
  • Build tooling for large-scale migration activities to minimise operational risk
  • Integrate SD-WAN, MPLS, and cloud connectivity into unified:
    • Operational platforms
    • Observability solutions
  • Enable traffic engineering, QoS, and policy enforcement through code-driven workflows

Observability, Operations & Resilience

  • Develop automation for:
    • Fault detection
    • Root cause analysis
    • Remediation
  • Integrate telemetry, logs, and metrics into observability platforms
  • Support SRE-style practices, including:
    • Error budgets
    • Reliability metrics
    • Continuous feedback loops
  • Improve Mean Time to Resolution (MTTR) and operational consistency through standardised tooling and workflows

Governance, Compliance & Secure Design

  • Embed security, segmentation, and compliance controls into automation pipelines
  • Ensure tooling supports:
    • Audit trails
    • Approval workflows
    • Evidence collection
  • Design governance-ready tooling tailored to highly regulated environments, particularly in financial services
  • Collaborate with:
    • Risk teams
    • Security teams
    • Compliance teams

Leadership, Documentation & Enablement

  • Define roadmaps and investment cases for infrastructure tooling platforms
  • Produce documentation covering:
    • Architecture
    • Automation standards
    • Operating models
  • Mentor engineers and establish best practices for automation-first networking
  • Communicate technically with cybersecurity, infrastructure, and business stakeholders

Requirements

Competencies

  • Architectural Rigor: Ensure all designs comply with structured governance, secure patterns, and best-practice frameworks
  • Cross-Team Influence: Translate technical concepts clearly for cybersecurity, infrastructure, and business stakeholders
  • Operational Excellence: Drive stability, repeatability, and continuous improvement in security operations
  • Innovation & Forward Thinking: Identify emerging threats, technologies, and solutions relevant to enterprise environments

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Technical Requirements

Network Automation & Infrastructure as Code

  • Python
  • Ansible
  • Infrastructure as Code
  • Declarative automation models
  • API-driven tooling
  • REST APIs
  • CI/CD pipelines
  • Version control
  • Drift detection
  • Compliance checks
  • Automated rollback mechanisms

Cisco ACI & Policy-Driven Infrastructure

  • Cisco ACI
  • APIC automation
  • ACI multisite/multipod architectures
  • Policy-driven infrastructure
  • Intent-based networking
  • Programmable infrastructure

Routing, WAN & Connectivity

  • BGP, OSPF, EIGRP
  • Hybrid WAN
  • SD-WAN
  • MPLS
  • Traffic engineering
  • QoS (Quality of Service)
  • ExpressRoute
  • Direct Connect

Observability & Operations

  • Observability platforms
  • Telemetry, logs, metrics integration
  • Fault detection automation
  • Root cause analysis
  • Remediation automation
  • SRE practices
  • Reliability metrics

Platform, Cloud & Service Integration

  • IPAM (IP Address Management) integration
  • CMDB/ITSM tooling integration
  • Platform engineering principles
  • DevOps-ready workflows
  • Lifecycle management
  • Cloud networking (AWS, Azure)
  • Data centre networking

Security & Compliance

  • SASE technologies
  • Zero Trust principles
  • Identity-driven segmentation
  • Network security controls
  • Audit trails
  • Approval workflows
  • Evidence collection

Advantageous Experience

  • Regulated environments (especially financial services)
  • CMDB/ITSM tooling integration (installation, optimisation)
  • Cloud-native observability tools (promotion, adoption)
  • Scripting for reporting, auditing, and analysis
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Skills

Network Automation
Infrastructure as Code
Python
Ansible
Cisco ACI
BGP
OSPF
SD-WAN
MPLS
CI/CD Pipelines
REST APIs
SRE Practices
Platform Engineering
DevOps
Network Architecture
Financial Services Compliance

Location

Greater London, UK

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