Full-Time

Site Reliability Engineer

.net and Microsoft Admin, Windows Server','Iis','MS SQL Server

Posted on 10/4/2025

Visa

Visa

10,001+ employees

Global digital payments network processing transactions

No salary listed

Basingstoke, UK

Hybrid

Hybrid role; in-office days to be confirmed by Hiring Manager.

Category
DevOps & Infrastructure (1)
Required Skills
AWS
Requirements
  • 3+ years of relevant work experience
  • Transactional systems e.g. banking, finance, telecommunications, etc
  • Working with enterprise distributed systems and SaaS applications
  • Administrator of Microsoft stack (Windows Server, IIS, MS SQL Server)
  • Scripted automation of processes with PowerShell and other orchestration tools
  • Understanding and experience in cloud technologies and platforms (preferably AWS)
  • Supporting geographically disperse systems across multiple time zones
  • Software delivery in regulated compliance-based environments
  • Troubleshooting & performance optimisation experience, especially on production systems
  • Exposure to PCI requirements and control management
  • Strong communication skills for both internal and external stakeholder management
  • Experience of Web Application Firewall and Load Balancer support and configuration
  • Support and knowledge of Middleware applications (Session State, MQ, AD)
  • Leading initiatives and collaborating, facilitating and influencing with teams across multiple time zones and systems geographically dispersed
  • Well accustomed to Enterprise Operational Monitoring and Management tools in a data center environment
  • Strong knowledge of Certificate Management and renewal process methodology
  • Building and running internal platforms with a Product Led mindset, while prioritizing security compliance
  • Customer-oriented for both internal and external clients
  • Troubleshooting incidents, plus capacity management & performance optimization expertise
  • Well exposed to PCI and other audit and control requirements
Responsibilities
  • Run Visa Spend Clarity for Enterprises production infrastructure ensuring highest levels of availability, performance, monitoring, and operational excellence
  • Balance engineering improvements, systems operations, and contributions to strategic initiatives
  • Work with the Technology Group to make reliability, availability, performance, monitoring, and operations visible and improved
  • Modernise platform by investing in cloud infrastructure and automation to enable scale across issuers
  • Operate in a hybrid role with days in office to be confirmed by Hiring Manager
Desired Qualifications
  • Experience with cloud technologies and platforms (preferably AWS)
  • Experience leading initiatives and cross-time-zone collaboration
  • Experience with regulatory compliance-based software delivery environments
  • Experience with enterprise distributed systems and SaaS applications (already in requirements)
  • Web Application Firewall and Load Balancer configuration experience (already in requirements)
  • PCI requirements and control management exposure (already in requirements)
  • Strong communication skills for stakeholders (already in requirements)

Visa operates a global digital payments network that connects consumers, businesses, banks, and governments to enable electronic card payments. Its system moves money through a card-based flow: a merchant request, card authorization via Visa, funds settlement between banks, and data processing, with fees earned on transactions and services. The company differentiates itself with its worldwide network, large client base, and partnerships that expand access to digital payments while supporting sustainable commerce. Its goal is to widen financial inclusion and provide convenient, secure electronic payments for a growing share of global commerce.

Company Size

10,001+

Company Stage

N/A

Total Funding

$9.6M

Headquarters

San Francisco, California

Founded

1958

Simplify Jobs

Simplify's Take

What believers are saying

  • Visa Ventures invested in Nekuda's $5M round for agentic payments.
  • Visa Ventures led BVNK's $50M Series B for stablecoin payments.
  • VisaNet handled 164.7 billion transactions annually in 2021.

What critics are saying

  • FedNow bypasses Visa, cutting transaction volume in 12-24 months.
  • PSD2 enables direct payments, causing 70-85% volume loss in 18-36 months.
  • CBDCs in 130+ countries reduce Visa's market by 15-25% in 36-60 months.

What makes Visa unique

  • VisaNet processes 76,000 transactions per second with 99.9999% availability.
  • VisaNet connects 3.6 billion accounts across 200+ countries.
  • VisaNet uses AI for smarter authorization and fraud prevention.

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Benefits

Health Insurance.

Life Insurance.

Dental Insurance.

Disability Insurance.

Accidental Death & Dismemberment Insurance.

Company News

TechCabal
Aug 12th, 2025
HoneyCoin raises $4.9M for expansion

Kenyan fintech HoneyCoin raised $4.9 million in seed funding to expand its stablecoin cross-border payment services into Africa, Latin America, and Asia. Led by Flourish Ventures, the round included TLcom Capital, Stellar Development Foundation, and Visa Ventures. HoneyCoin processes $150 million monthly, serving 350 enterprise clients. The funds will be used to hire executives, secure licenses, and expand into new markets, with plans for new products by Q3 2025.

Business Wire
May 15th, 2025
Nekuda Raises $5M Led by Madrona, Together with Amex Ventures and Visa Ventures, to Power Agentic Payments

Nekuda raises $5M led by Madrona, Amex Ventures & Visa Ventures to power agentic aayments. For the infrastructure of the future of online commerce.

Forbes
May 6th, 2025
Visa Invests in BVNK, $50M Funding

Visa Ventures has invested in stablecoin infrastructure platform BVNK, marking Visa's first direct investment in a stablecoin payments player. This move supports the future of stablecoins in payments, enhancing BVNK's credibility and penetration with Visa's partners. BVNK, which raised $50 million in a Series B round in December 2024, processes $12 billion in annualized volume and offers solutions for B2B and B2C payments using stablecoins.

INACTIVE