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Senior Systems Engineer

The Access Group

The Access Group

Software Engineering
Posted on Wednesday, August 16, 2023

Senior Systems Engineer

Posted about 1 month ago


Senior Systems Engineer

Join the Access Family and see how we make software ideas become a reality!

Our core value of ‘Love Work, Love Life, Be You’ has been central to our success and so we’re looking for people to join us who share our passion for making things better every day and help us continue to grow.

We are the number one UK headquartered software provider in the UK and are forecasted to grow to a global population of over 12,000 employees by 2026.

 What are we all about?

At Access, we love software and how technology never stays the same. It's this obsession that drives us to work closely across sectors to understand the business needs of our customers - from the Hospitality sector, to Manufacturing industry, to Not for Profit’s to Construction, and many more.

We're passionate about helping our customers stay one step ahead of the challenges facing their industry and business, currently helping over 60,000 customers to have the freedom to do more.


About you:

You are excited about working for a best in class, fast growing Software business in a domain that’s innovative and disruptive and is vital to the lives of individuals and the successful operation of most businesses.  You love solving challenging business-critical technical problems.

You know that technical excellence is at the heart of delivering the best possible outcomes for our clients and the customers that rely upon them and you always place what’s best for the customer at the heart of what you do.

You have strong analytical and problem-solving skills, with strong interpersonal and communication skills, and the desire to share your knowledge and experience with others.

You are passionate about technology and its benefits.


Day-to-day, you will:

  • Assist with the design and technical architecture discussions for the payment processing and income reconciliation systems, collaborating with the other members of the wider Product & Engineering team.
  • Deploy and configure Windows-based servers, virtual machines, and application components, managing the integration of software and hardware to maintain a robust system infrastructure.
  • Focus on understanding and supporting telephony-based payment processing solutions
  • Monitor system performance and resource utilization using various tools, resolving any performance bottlenecks.
  • Respond to critical incidents and service outages, leading some troubleshooting and coordinating with the team to minimize downtime and restore services efficiently.
  • Develop and implement scripts to automate routine tasks, streamline processes, and improve operational efficiency.
  • Ensure compliance with security standards and best practices to protect sensitive data and maintain PCI-DSS compliance.
  • Collaborate with external partners to ensure seamless integration with telephony-based payment solutions, resolving any technical issues that may arise.
  • Support other members of the technical team, fostering a collaborative and growth-oriented environment.
  • Work closely with other departments in a DevOps approach to align system operations with business requirements, identify improvements that can be made to existing products, and simplify and automate deployments.
  • Maintain comprehensive system documentation, including configuration details, and troubleshooting guides, to facilitate knowledge sharing and future system enhancements.
  • Implement the most effective infrastructure, environment and application monitoring and alerting processes, maximizing the capabilities of the available tools to ensure delivery of a proactive monitoring and alerting solution
  • These day-to-day activities demonstrate your important vital role in ensuring the stability, security, and continuous improvement of the Windows-based payment processing and income reconciliation systems.


Your skills and experiences might also include:

  • Some experience in designing, building, and maintaining complex and secure Windows-based systems that operating 24/7/365 at 99.99% uptime and processing high volumes of transactions.
  • Expertise in managing systems that integrate into a variety different of telephony solutions
  • Expertise in managing systems that contain some or all of the following components: HP hardware, Nutanix and VMWare virtualization tools, Windows OS, SQL Server, IIS, Tomcat, Java, and .NET application software.
  • A good knowledge of information security including PCI DSS requirements [DM1] and experience implementing security measures for cardholder data protection.
  • A preparedness to work in a DevOps culture, embracing automation, promoting collaboration, and ensuring a customer-centric approach.
  • Good communication and collaboration skills
  • Good experience in administering Windows Server operating systems, including installation, configuration, and maintenance of server roles and features. This includes managing Active Directory, DNS, DHCP, Group Policy, and other essential services.
  • Proficiency in virtualization platforms like Nutanix, Hyper-V or VMware to create and manage virtual machines. Familiarity with cloud technologies like Microsoft Azure or AWS for deploying and managing cloud-based services.
  • Ability to monitor system performance using tools like Windows Performance Monitor and take proactive measures to optimize system resources and improve overall efficiency.
  • Some scripting skills in PowerShell to automate repetitive tasks, configure system settings, and streamline administrative processes.
  • In-depth understanding of Windows security features, security best practices, and patch management to ensure the systems are protected against potential vulnerabilities.
  • Experience in implementing and managing backup solutions and disaster recovery plans to ensure data integrity and quick recovery in case of system failures.
  • Familiarity with TCP/IP networking, routing, and firewall configurations to troubleshoot network-related issues and maintain secure communication.
  • Proficiency in using system monitoring tools like Splunk, Nagios, Zabbix, or SCOM to proactively identify issues and respond to system events promptly.
  • Knowledge of ADFS to enable Single Sign-On (SSO) and federated identity management for web-based applications.
  • Experience in setting up and managing Windows Server Failover Clustering for load balancing, high availability and fault tolerance of critical services.
  • Ability to integrate Windows-based systems with third-party applications, databases, and external services. Experience in designing and implementing automated workflows.
  • Troubleshooting and Problem Resolution: Strong analytical and problem-solving skills to diagnose and resolve complex system issues efficiently.
  • Proven ability to create and maintain comprehensive system documentation, sharing knowledge with team members to enhance overall system support.
  • Experience in supporting technical projects, c and working collaboratively with cross-functional teams.
  • A willingness to stay updated with the latest trends, best practices, and emerging technologies in Windows-based systems engineering.


What does Access offer you?

We are a growing software company, and we deliver on what we say we do! We take the development of our people very seriously and we will work with you to carve out your success plan and an opportunity to accelerate your career and make a real difference.

On top of a competitive salary, our standard 25 days holiday (which goes up the longer you’re with us), and a matched pension scheme you’ll also be able to choose from a range of benefits to suit you. We pride ourselves on being an organisation that gives back so you’ll also have a charity day you can take to support something that matters to you.  


At Access we’re all about helping everyone Love Work and Love Life. Why? Because we believe people can only be their best when they can be themselves. So, if you are excited about this role, but your past experience doesn’t match perfectly, we’d still love to hear from you. You might just be who we are looking for.

We love the fact that we’re all different. We believe by having more diverse perspectives at work improves how we run our business, helps us to better support our customers, and when you think about it, it’s just more fun!

What’s holding you back? Come and be part of our Amazing Access Family!

Love Work. Love Life. Be You.



Happy to have someone with a more generic security experience, don't want to limit to PCI-DSS knowledge. [DM1]