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BT CEPH Specialist, Mobile Cloud Core Solution Reliability Engineer in Bristol, United Kingdom

Our mission is to break down the barriers of today to release the potential of tomorrow. Join us today and release yours.

There are two things that we want to share with anyone considering joining us.

Firstly, we’ve got big ambitions for our colleagues and the future of the organisation. These include our vision that inclusion and accessibility drive every conversation we have and every decision we make. We want our workforce to fully represent the communities and customers we serve, because a diverse business is a better business. We value every colleague, their diversity and the contribution that they make. When we say you’re welcome at BT, we really mean it.

Secondly, the one thing the pandemic has taught us is that a lot of current and future colleagues, where and when possible, want to embrace hybrid working. Therefore, we are introducing smart working at BT. Smart working means having the flexibility to choose, as a team, how and where you work depending on your team’s deliverables and needs; when you are at your shared core location to connect with others and when not. It may not be for every role, and, as part of the recruitment process, you’ll have the chance to discuss smart working and how it might work for the job you are applying for.

About this role

You will be responsible for specifying, building, securing and supporting environments that enable subscriber services to function within a mobile phone cloud core network. You will have both the technical skills and proven experience to support the following areas:

• System Administration

• Primarily Ericsson Packet Core Gateway and Oracle Pre-Pay Control Function software

• Good knowledge of Security Vulnerabilities across the IT industry and experience of Security Hardening strategy and practice.

• Driving best practice in Data Security concepts and protection systems.

• Administrative tasks – monitoring, backups, user admin, vulnerability scanning.

• Provide 2nd/3rd line support of the BT Mobile Cloud Packet Core estate

We are going through some big changes and you would be our team guru in this role. You will lead and develop the latest technology.

We are going through some big changes and you would be our team guru in this role. You will lead and develop the latest technology.

You'll have the following responsibilities

• Experience designing, building, testing, using and trouble-shooting Cinder on Ceph on Openstack (Ubuntu (bionic) OpenStack with charms (queens) in our case, moving to focal/ussuri soon).

• Additional OpenStack storage experience such as Glance, Manila and Swift, ideally experience with large enterprise shared-storage arrays over iSCSI and NFS.

• Strong proficiency with a large production/test Linux environment, ideally Ubuntu based.

• Basic familiarisation with gitlab, wiki writing/editing for code/script updating and documentation.

• Experience using OpenStack tools to support a Ceph environment, including log and stat data to understand issues and tuning opportunities.

• A basic knowledge of computer IP networks and servers, plus MS Office tools such as Outlook, Teams, Excel.

• Experience using OpenStack tools to support a large OpenStack environment, including log and stat data to understand issues and tuning opportunities.

• A basic knowledge of computer IP networks and servers, plus MS Office tools such as Outlook, Teams, Excel.

• Ensure that all platforms/ systems/services in your control achieve the agreed availability target, ensure that adequate expert support is available 24 x 7 x 365

• Build/deploy K8S & K8S-based (eg CCD) cluster architecture, including tenant-specific Openstack & SDN components

• Provide 2nd line support to tenant teams, on all K8S & K8S-based (eg CCD) cluster architecture deployments

• Troubleshoot Network flows & connectivity between K8S cluster nodes

• Troubleshoot Network flows & connectivity between K8S pods, & between K8S pods and the adjacent SDN hand-off points

• Support containerised layer of tenant CNF including K8S & its features such as Load Balancing (ECFE for CCD), Docker components, Network plugins & CNI’s etc

• Triage faults on tenant NFVi layer, involving tenant-specific SDN & Openstack configuration, which may involve further investigation into Network Cloud supported infrastructure

• Act as support resource to tenant teams for application onboarding & instantiation tasks (eg troubleshoot the deployment of heat templates, performing health checks at K8S layer)

• Support & maintain virtualised F5 instances in tenant environments (to be used for CDR proxy, HTTP proxy, DNS Forwarding)

• Provide 2nd line support to tenant teams, of Virtual Machines/Instances within tenant environments.

• Supplier Management- Ensure that all cases escalated to support vendors are resolved within the appropriate time scales. Provide assistance to suppliers when required.

• Ensure documentation and support procedures are kept up to date.

• Mentor junior team members.

• Work with the other teams to develop, configure and maintain the infrastructure management solutions and tools required to manage all data services. Participate in all appropriate project forums.

• Provide support to various stakeholders such as Technology Operations Centre, Design, Build, Network Cloud and Dynamic Infrastructure, Capacity Planning, revenue Assurance and Customer Experience.

You'll have the following skills & experience

MANDATORY

• Production CEPH design/build experience

• Strong Production Linux design/build experience. Come from a Mobile Cloud Core background within the telecoms Industry.

• Excellent understanding of the Containerisation, Kubernetes, Juniper SDN and Openstack environments.

• Be conversant with virtual network tenant technologies

• Receiving Security scan report results and Implementing highlighted patches using change management.

• Ensuring patches/changes have been tested (nonproduction and by vendor).

• Keeping audit of teams hardware and licencing details

PREFERRED

• Additional Production OpenStack experience.

• Technical Certification and training within the Network Cloud technologies.

• Exposure to system performance, diagnosis and investigations.

• Kubernetes, Juniper and Openstack vendor led training accreditation.

• Use of OSS tools to support performance related issues.

• Experience of dealing with 3rd party vendor support

• Experience in scripting languages (e.g.Bash & Perl)

• Exposure to Virtual technologies (ESX and ESXi)

• System patching tools

• Windows Active Directory and LDAP

• Integrate Servers with Centralised syslog management tools (e.g. Siem)

Benefits

• Competitive salary

• 25 days annual leave (plus bank holidays) Team members 22 day annual leave

• 10% on target bonus

• Option to join the Healthcare Cash Plan

• Pension scheme

• Shares Plan

• Flexible benefits: cycle to work, childcare vouchers, healthcare, etc.

• Discounted BT products

About BT

BT has a key role in British society, fostering change and leading technology innovation. From delivering the Olympics, to supporting the emergency services, to investing more into research than any other UK technology company, we take pride in everything we do - and in the people who work here.

We're now a global company operating at the forefront of the information age, employing 90,000 people in 180 countries. And we're on a mission. Guided by our core values of Personal, Simple and Brilliant our goal is to help customers, communities and businesses overcome barriers and release their potential.

So, if you're interested in the power of potential, why not join us today and release yours? You can read more here about what it's like to work at BT (https://www.bt.com/careers)

How to Apply

It's easy to apply online; you just need a copy of your up-to-date CV and to follow the step-by step process. Don't worry if you need to make changes - you'll have the opportunity to review and edit your work on the final page. We look forward to receiving your application!

Key Skills

Production CEPH design/build experience

Strong Production Linux design/build experience. Come from a Mobile Cloud Core background within the telecoms Industry.

Excellent understanding of the Containerisation, Kubernetes, Juniper SDN and Openstack environments.

Be conversant with virtual network tenant technologies

Receiving Security scan report results and Implementing highlighted patches using change management.

Ensuring patches/changes have been tested (nonproduction and by vendor).

Keeping audit of teams hardware and licencing details

Job: Design and delivery

Title: CEPH Specialist, Mobile Cloud Core Solution Reliability Engineer

Location: GBR %26 Ireland-GBR-Avon-Bristol

Requisition ID: 163967

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