Cisco ACI Automation & Network Scripting Specialist
Delta CapitaJobsCloseBy Editorial Insights
Delta Capita seeks a Cisco ACI Automation and Network Scripting Specialist to design, implement and operate multi-site data centre fabrics with a focus on automation, policy lifecycle, and SDN in regulated environments. The role requires hands-on Cisco ACI/APIC, Python automation, REST APIs, and experience with Ansible, Terraform, Git, and CI/CD. You’ll produce runbooks, diagrams and automation templates while aligning with security and governance and collaborating with security, cloud and platform teams. This is a 12-month contract in London, onsite with a three-day in-office hybrid policy; UK work permit is mandatory. To apply, tailor your CV to highlight multi-site ACI deployments and automation outcomes; include links to code or runbooks and note regulatory experience.
We are seeking a highly skilled Cisco ACI Automation and Network Scripting Specialist to support the engineering, automation, optimisation, and day‑to‑day operations of large‑scale data centre network environments. The ideal candidate will have deep expertise in Cisco ACI fabric, programmability, API‑driven network automation and SDN concepts within enterprise or regulated environments.
This role will play a key part in designing automation frameworks, implementing scalable infrastructure‑as‑code solutions, and enhancing operational efficiency across the network estate.
Requirements
Key Responsibilities
Cisco ACI Engineering & Operations
Design, implement, and manage Cisco ACI fabric across multi‑site data centre environments.
Configure ACI components including tenants, VRFs, EPGs, contracts, L3Outs, multipod environments and APIC clusters.
Lead troubleshooting, root‑cause analysis and performance optimisation of SDN environments.
Develop automation for lifecycle management of ACI policies and configurations.
Network Automation & Scripting
Build and maintain automation workflows using Python, Ansible, Bash, Terraform or similar tools.
Use Cisco ACI APIs (REST, XML/JSON), ACI Toolkit and Cobra SDK for automated fabric management.
Develop CI/CD pipelines for network configuration deployment and validation.
Implement infrastructure‑as‑code approaches to standardise and streamline network provisioning.
Operational Excellence & Governance
Ensure alignment with internal security, compliance and architectural standards.
Produce operational documentation, design diagrams and automation runbooks.
Collaborate with security, cloud and platform teams to integrate ACI within the wider technology ecosystem.
Support transition towards policy‑based and software‑defined networking models.
Innovation & Continuous Improvement
Evaluate new Cisco ACI features, SDN technologies, and automation tools for adoption.
Drive reduction of manual effort through reusable templates and automation frameworks.
Contribute to networking strategy, architectural enhancements and long‑term technology roadmaps.
Required Qualifications & Experience
Strong hands‑on experience with Cisco ACI, APIC, multi‑site architectures and SDN principles.
Proficiency in Python, YAML, JSON and REST APIs.
Experience with automation tools such as Ansible, Git, Jenkins, Terraform or equivalents.
Strong understanding of core networking technologies, including:
BGP, OSPF, VXLAN, EVPN, MPLS
Layer 2 / Layer 3 switching and routing
Security policies, segmentation and firewalls
Experience operating in large‑scale or regulated enterprise environments (financial services preferred).
Ability to troubleshoot complex technical issues in mission‑critical environments.
Desirable Skills
CCNP/CCIE, DevNet Professional/Expert or equivalent certifications.
Experience with cloud networking (AWS, Azure) and hybrid connectivity.
Experience automating Cisco Nexus, next‑generation firewalls, or F5 load balancers.
Familiarity with monitoring platforms such as Splunk, Grafana, AppDynamics, or ACI Health Score.
How We Work:
Delta Capita is an equal opportunity employer. We positively encourage applications from suitably qualified and eligible candidates regardless of age, colour, disability, national origin, ancestry, race, religion, gender, sexual orientation, gender identity and/or expression, veteran status, genetic information, or any other status protected by applicable law.
We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. If you require any reasonable adjustments through your interview process, please use the designated space within the application questionnaire.
This is a 12 Month Fixed Term Contract located in London. As the selection and interview process is ongoing, please submit your application in English as soon as possible, if your profile is selected, a member of our team will contact you within 4 weeks. For this role, a valid working permit for the UK is mandatory.
Expectations regarding hybrid working: As we are a Service Provider and Consulting firm servicing clients, our policy for physically working from the office (which may be the clients' offices or our own offices depending on the client) aligns to what our clients' policies and expectations are and these vary. Most of our clients now require a minimum of 3 days per week in the office, 2 days from home, and accordingly this is also the minimum expectation that Delta Capita require.
Who We Are:
Delta Capita Group (a member of the Prytek Group) is a global managed services, consulting, and solutions provider with a unique combination of experience in Financial Services and technology innovation capability. Our mission is to reinvent the financial services value chain providing technology based mutualized services for financial institutions for non-differentiating services.
Our 3 offerings are:
Managed Services
Consulting & Solutions
Technology
To know more about Delta Capita and our culture click here: Working at DC - Delta Capita.