Optronix, a part of the GS Group

02Case studies

Four engagements, brief to handover.

A global cabling standard, a two-city migration, round-the-clock smart hands and four builds run in parallel: what each client needed, how we ran it, the results and what they said.

Where the four case studies sit in the six-stage data centre lifecycle: cases 01 and 04 in Build and Delivery, case 02 in Migration and Transformation, case 03 in Operate and Optimise. 01 04 02 03
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Case 01Structured cabling design & installation

One standard. Three countries.

Client
Indian multinational technical consultancy, 100,000+ employees
Sites
London, Frankfurt and Singapore
Stage
Build & Delivery

The challenge

  • Enterprise data centre environments in three regions needed one documented, standardised copper and fibre design.
  • Future HPC scalability had to be accounted for from day one.
  • The existing sites were below standard and no longer fit for purpose.
Fig. 01One design, built the same way at every site. Illustration: panel layouts are examples, not the client's rack elevations.

Our approach

  1. 01

    Discovery

    Site assessments and technical workshops in each region.

  2. 02

    Design

    Copper, OS2 singlemode and OM4/OM5 multimode, compliant in each region and ready for HPC.

  3. 03

    Global standardisation

    One cabling, labelling and documentation specification for every site.

  4. 04

    End-to-end delivery

    Materials, engineering, testing and handover, run by our own team.

Results

countries where it was designed and installed: the UK, Germany and Singapore
3
global sites the documented standard is ready for
170+
specification for cabling, labelling and documentation
1
  • Global standardisation

    A sustainable infrastructure standard, fully documented and ready for the client's sites worldwide.

  • Tested and certified

    Every link tested and certified to standard, with saved results, so it was provably to specification and audit-ready at handover.

  • Delivered within budget

    In line with the original quote provided before kick-off.

Partnering with Optronix enabled us to define and implement a global standard for our data centers. It's been a pleasure working with the team.

Minesh P.Head of Infrastructure

Case 02Data centre migration

50+ racks. Two cities. Zero downtime allowed.

Client
Global software company, leaders in AI and HPC, trusted by government
Sites
London and Frankfurt
Scale
More than 50 racks across both sites
Stage
Migration & Transformation

The challenge

  • Leases expiring in London and Frankfurt.
  • Loss of control over infrastructure and environments, creating operational risk.
  • An urgent need to regain control, reduce footprint, cut costs and implement standards.
  • Regain control
  • Reduce footprint
  • Cut costs
  • Implement standards
Fig. 02Out of two expiring leases, into a smaller, standardised footprint. Illustration: rack counts are schematic, not the 50+ racks migrated.

Our approach: seven stages, one owner

  1. 01

    Audit

    A site survey and an end-to-end audit of every device and all copper, fibre and proprietary cabling, with rack diagrams and patching schedules.

  2. 02

    Design

    Workshops mapped the network dependencies for a phased plan. Each destination was designed down to cabling and rack level, with excess kit decommissioned.

  3. 03

    Preparation

    Destination racks pre-patched and every device labelled. A runbook with named owners, and every change through a structured RFC process.

  4. 04

    Test

    A test migration of non-production devices checked the process and the documentation before any live move.

  5. 05

    Review

    Device and port mapping validated from the test, the runbook refined and the live plan adjusted.

  6. 06

    Migrate

    Phases run over weekends by SC-cleared engineers, with device and vehicle tracking and goods-in-transit insurance.

  7. 07

    Handover

    A closure pack of rack layouts, patching schedules and test results, integrated into DCIM, with handover support after each phase.

Total end-to-end ownership: a dedicated Optronix project manager ran it from audit to handover.

Results

hardware failures
0
downtime to live services
0
racks across London and Frankfurt
50+
stages, one accountable owner
7
  • Successful migration

    Zero hardware failures. On schedule, as planned, and on budget.

  • Reduced costs

    A transformative design cut energy use and physical footprint.

  • No disruption

    Zero downtime to live services, with every phase on or ahead of schedule.

  • Trust

    A stronger relationship, and our role as a long-term partner.

The team at Optronix were great to work with — really organised, transparent, always on the ball. The migration went smoother than we expected, no disruption to live services.

Steve B.IT Change Programme Director

Case 03Smart hands managed services

Around the clock, across three cities.

Client
Chinese hyperscaler, operating data centres globally
Sites
Three European cities
Cover
24×7×365
Stage
Operate & Optimise

The challenge

  • The same 24×7×365 service was needed in three cities.
  • The incumbent lacked urgency, sent underqualified engineers and regularly missed SLAs.

Example recordTask record in the client's DCIM

Task
Patch and test two ports
Method
Client-approved SOP
Approval
Pre-defined for this task type
Evidence
Photos and task notes, uploaded to the client's DCIM
  1. RaisedIn the client's ticketing system
  2. On siteEngineer deployed
  3. DonePhotos and notes uploaded
  4. ClosedInside SLA

UK Central Europe

Fig. 03How a request moves from raised to closed. An example for illustration, not a client record.

Our approach

  1. 01

    Integration

    We worked in their ticketing system and through their channels.

  2. 02

    Responsiveness

    Engineers available 24×7×365, to strict SLAs.

  3. 03

    Execution

    Client-approved SOPs, documented for every task type.

  4. 04

    Governance

    Photos, notes and escalation paths on every request.

Results

cover in every city, to strict SLAs
24×7×365
European cities, one standard of service
3
  • Every request inside SLA

    All requests actioned within SLA, with clean engineer handovers on multi-day issues.

  • Integrated

    Full alignment with the client's systems and workflows, so support ran without friction.

  • Documented and audit-ready

    Full ticket tracking and photographic evidence for governance compliance.

  • Trust

    Consistent delivery led to an expanded, long-term relationship.

Optronix have been a breath of fresh air compared to our last partner. Easy to work with, quick to get things done, reliable. We're looking forward to bringing them into more of our DCs.

Eric N.Network Architect

Case 04Data centre technical build

Simultaneous builds, identical standards.

Client
Chinese hyperscaler
Sites
London, Manchester, Paris and Frankfurt, in parallel
Scale
250 device rack, cable and configure projects
Stage
Build & Delivery

The challenge

  • Device rack, cable and configure projects running in four cities at the same time.
  • Aggressive timelines, with every site built to the same standard and documentation.
Not started
Fig. 04Four sites, one methodology, one project manager kept informed by the on-site managers. Illustrative sequence: stage lengths are not the project programme.

Our approach

  1. 01

    Experience

    Engineers proven in hyperscale environments.

  2. 02

    Management

    On-site managers at every location, keeping one project manager informed.

  3. 03

    Standardisation

    A single, repeatable methodology, with no variations between sites.

  4. 04

    Quality

    Every stage reviewed and validated across all sites.

Results

device rack, cable and configure projects
250
cities built in parallel
4
methodology at every site
1
  • Urgent delivery, on budget

    Simultaneous deployments met aggressive timelines without compromising quality.

  • Consistency

    Every site delivered to the same technical standards and documentation.

  • Collaboration

    Process improvements we introduced were adopted into the client's official build documentation.

  • Trust and growth

    Now their go-to partner for data centre deployments and managed services.

Simply put, Optronix have helped us achieve a more efficient way of deploying our DCs.

Juan H.Global Infrastructure Lead