At a Glance
- Tasks: Lead complex incident management and troubleshooting for contact centre platforms.
- Company: Join a $13+ billion global tech leader with a startup mindset.
- Benefits: Enjoy competitive pay, 20 days vacation, and comprehensive insurance.
- Other info: Opportunities for personal growth and involvement in exciting projects.
- Why this job: Make a real impact while working with cutting-edge technology in a supportive team.
- Qualifications: 6-10 years experience in enterprise contact centres and strong technical skills.
The predicted salary is between 60750 - 74250 £ per year.
We are a $13+ billion global technology company, home to more than 224,000 people across 60 countries, delivering industry-leading capabilities centered around digital, engineering, cloud, and AI, powered by a broad portfolio of technology services and products.
HCLTech is a globally recognized leader in the Tech and IT industry, but we’ve never forgotten the startup mindset that got us here.
We’ve always approached our work with an idea-first attitude because every one of our accomplishments —no matter how big or small —can be traced back to an idea’s single spark.
It’s that spark —that inner drive —that sets our people apart from our competitors.
It enables us not just to pull off game-changing feat after game-changing feat but to better our world in the process.
We want you to find your spark.
Because that’s what drives you to be better, be more and ultimately, be more fulfilled.
We are seeking a
Level 3 Contact Center Engineer / Senior SME to own high‑severity, complex, and business‑critical incidents across
Genesys Cloud CX and Cisco Unified Contact Center Enterprise (UCCE) platforms supporting mission‑critical enterprise Voice Network.
This role acts as the final escalation point (L3) and provides deep technical leadership across cloud and on‑prem contact center architectures
, including voice media, routing, integrations, and underlying network and infrastructure dependencies.
The engineer will lead cross‑functional triage, perform deep root‑cause analysis, guide platform stability initiatives, and mentor Level‑2 engineers.
Key Responsibilities
- Incident & Problem Management (Genesys Cloud CX & UCCE)
- Act as
- L3 escalation for all high‑severity
P1/P2 contact center incidents across Genesys Cloud CX and Cisco UCCE.
- Lead technical triage, incident bridges, and resolution strategy during major outages in coordination with the Technical Manager.
- Perform deep root cause analysis (RCA) across contact center applications, voice, network, IVR, CRM, and infrastructure layers.
- Identify systemic weaknesses and eliminate repeat incidents through structural corrective actions.
- Author executive‑ready RCA documents including business impact, preventive actions, and long‑term remediation plans.
- Drive problem management, corrective action tracking, and service stabilization initiatives.
- Own advanced troubleshooting of
- SIP signaling, call setup, and session negotiation
(Genesys Cloud CX & UCCE).
- Diagnose
RTP media issues including one‑way audio, packet loss, jitter, latency, and codec mismatches.
- Lead investigations involving
- SBCs, gateways, carriers, PSTN, and hybrid cloud/on‑prem voice paths
- Collaborate with network and security teams on
- NAT, firewall rules, Qo S, load balancing, and voice path optimization
- Cisco UCCE / CVP / CUCM Responsibilities (Added Scope)
- Provide
- L3 operational and troubleshooting support for
- Cisco UCCE contact center environments
• Troubleshoot and support core UCCE components, including
- UCCE (PG, Rogger, AW, HDS)
- CUCM call control and SIP trunks
- CVP (Call Server, VXML, Reporting)
- ICM scripting, routing logic, and call flow behavior
- Diagnose call routing failures, agent state issues, peripheral gateway problems, and CTI integration defects.
- Support
CTI integrations with CRM systems and third‑party applications.
- Analyze logs, router traces, CVP logs, CUCM traces, and network captures to isolate complex issues.
- Partner with Cisco TAC and internal infrastructure teams during critical incidents.
- Support hybrid contact center environments
, including coexistence or migration scenarios between UCCE and Genesys Cloud CX.
Architecture & Platform Engineering
• Design, review, and optimize
- Routing strategies and interaction handling models
- Integration, redundancy, and failover patterns
- Review and approve high‑risk production changes, ensuring rollback and recovery plans are clearly defined.
- Own deep understanding of platform limits, capacity thresholds, and scaling behavior
- Define and validate disaster recovery, failover, and high‑availability strategies
- Maintain accurate architecture diagrams, call flow designs, and failure‑mode documentation.
- Integrations & Ecosystem
• Troubleshoot complex integrations involving
- Salesforce CTI, APIs, OAuth, and data synchronization
- Microsoft Dynamics CRM
- UCCE CTI / CVP / third‑party integrations
• Act as technical liaison between
- Network, voice, SBC, and carrier teams
- CRM and application teams
- Security, IAM, and compliance teams
- Challenge vendor or carrier conclusions when technical evidence indicates alternate root causes.
- Change Governance & Production Readiness
- Review changes for risk assessment, production readiness, and operational impact across both platforms.
- Provide technical approval guidance for CAB and high‑risk changes.
- Validate upgrades, patches, and new feature rollouts from a stability and resilience standpoint.
- Ensure operational readiness before go‑live, including fallback and monitoring strategies.
- Operational Excellence & Technical Leadership
- Drive MTTR reduction through engineering improvements and root‑cause elimination.
- Design or guide proactive monitoring, diagnostics, and health‑check automation initiatives.
- Mentor and guide Level‑2 engineers on advanced troubleshooting and architecture best practices.
- Maintain and evolve SOPs, operational runbooks, and architecture documentation.
- Contribute to continuous service improvement initiatives across Run Units.
- Required Skills & Experience
- 6–10+ years of experience supporting enterprise contact center platforms
- Strong hands‑on experience with
- Genesys Cloud CX
- Proven
- L3 support experience with Cisco UCCE
, including CUCM and CVP.
- Contact center routing, call flows, and agent states
- SIP, RTP, voice gateways, SBCs, and carrier interconnects
- Experience with
- CRM integrations
(Salesforce, Dynamics).
- Proven ability to lead P1/P2 incident bridges and cross‑team resolution.
- Strong experience in large enterprise, MSP, or Run Unit (RU) environments.
- Ability to communicate complex technical issues clearly to stakeholders and executives.
- Genesys Cloud CX Professional or Specialist certification
- Cisco certifications (CCNP Collaboration, UCCE exposure)
- Cloud networking and security knowledge (AWS, IAM concepts)
- Automation, scripting, or health‑check development experience
- Experience supporting regulated or high‑availability environments
- Key Behavioral Attributes
- Strong technical ownership and decision‑making capability
- Calm, authoritative leadership during crisis situations
- Structured analytical mindset with strong RCA focus
- Mentorship‑oriented and documentation‑driven
- A supportive, diverse, and global team with a brilliant culture.
- Competitive compensation and benefits that includes up to 20 days’ vacation per year, various insurances like Term life and Business Travel insurance.
These are apart from the statutory benefits applicable in the country.
Employee benefits are regulated by an internal policy that contains full details regarding the entitlement and conditions for the benefits as per the law of the land.
- Great opportunities to make the role your own, upskill yourself and get involved with exciting projects.
- Total Wellbeing is our focus.
Alongside your professional excellence, you join the likeminded colleagues to create a larger impact within the company and society at large in your chosen area of passion - CSR Council, Diversity Council, Women Connect, Sparks – Engagement Champion to name a few.
- To know more about us visit –
- For more information on how we process your personal data, please refer to HCLTech’s
Candidate Data Privacy Notice.
Cisco Contact Center Engineer in London employer: HCL Technologies Limited
HCL Technologies Limited is an exceptional employer located in the vibrant City of London, offering a dynamic work culture that prioritises employee growth and development. With a strong focus on customer service excellence and operational efficiency, employees benefit from comprehensive training programs and opportunities to enhance their skills while contributing to meaningful projects. The collaborative environment fosters innovation and teamwork, making it an ideal place for those seeking a rewarding career in program and project management.
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We think this is how you could land Cisco Contact Center Engineer in London
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We think you need these skills to ace Cisco Contact Center Engineer in London
Some tips for your application 🫡
Showcase Your Problem-Solving Skills:In IT consulting, it's all about problem-solving, so make sure your CV highlights your analytical skills and any relevant projects you've tackled. Mention specific technologies or methodologies you've used to resolve issues or improve processes; this shows you can think critically and deliver results, which is vital for us at HCL Technologies Limited.
Highlight Relevant Certifications:Certifications like ITIL, PMP, or even specific tech stack qualifications can really make you stand out. Make sure to include these in your CV, as they not only demonstrate your expertise but also your commitment to staying current in the field. We love seeing candidates who are proactive about their professional development!
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Keep It Clear and Concise:We're all busy, so make sure your application is easy to read. Use bullet points for key achievements, and don’t overload us with jargon. A clean, professional layout goes a long way. Remember, the clearer your application, the more likely we are to invite you in for an interview!
How to prepare for a job interview at HCL Technologies Limited
✨Brush Up on Your Technical Skills
For an IT consulting role, be ready to demonstrate your technical prowess. You might face questions on systems integration, cloud technologies, or even troubleshooting specific software. If you have experience with tools like AWS, Azure, or even specific programming languages, make sure you can talk about them fluently.
✨Showcase Your Problem-Solving Approach
IT consulting is all about solving problems for clients. Think about how you can illustrate your approach to a past challenge using the STAR method (Situation, Task, Action, Result). It's a great way to show how you tackle complex issues and come up with effective solutions.
✨Know the Business Impact of IT Solutions
When discussing your experiences, focus not just on the tech solutions you implemented, but also on their business impact. Employers want to see that you can connect IT with organisational goals. Prep examples that highlight how your tech contributions improved efficiency or reduced costs for past clients or projects.
✨Prepare for Behavioural Questions
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.
