Senior Systems Engineer (AWS) in London

Are you confident leading the design and improvement of cloud-based systems, translating complex technical challenges into scalable, reliable solutions? Do you have experience driving system reliability, incident management and continuous improvement in AWS or similar environments?

About the team

A&G, STMJ Technology is a global team that builds and runs the platforms and services behind Elsevier’s research and academic products. Within this, the Platform Engineering team—part of Operations—focuses on keeping our cloud environments reliable, secure and performing at scale. The team works closely with engineering and support teams to monitor systems, respond to incidents and continuously improve how our platforms run.

About the role

As a Senior Systems Engineer, you will play a key role in operating, maintaining and improving our AWS-based environments, ensuring systems are reliable, secure and scalable. You will take a proactive role in identifying risks, resolving complex issues and driving system improvements that enhance performance and resilience. Working closely with engineering, support and platform teams, you will contribute to system design, automation and infrastructure as code, helping to build efficient and well-managed cloud environments. You will support incident response and recovery, while also improving monitoring, alerting and operational practices across the platform.

You will combine technical expertise with a practical, problem-solving approach to deliver continuous improvements and support the long-term scalability of our platform services.

Key Responsibilities

• Monitor system health and proactively manage risks to performance, stability, and security
• Diagnose and resolve complex system and performance issues
• Design and implement system improvements, configurations, and automation
• Support change management processes and impact assessments
• Develop infrastructure as code and automation scripts
• Collaborate with cross-functional teams and partners
• Share knowledge and support team development
• Improve monitoring, alerting, and reporting practices
• Support incident response and recovery readiness
• Contribute to scalability and capacity planning
• Apply security best practices
• Maintain clear documentation

Skills & Experience required:

• Experience with cloud-based platforms and AWS services (e.g., EC2, S3, RDS, IAM, EKS)
• Familiarity with Linux/UNIX systems
• Experience with scripting or automation (e.g., Bash, Python)
• Understanding of DevOps and infrastructure as code practices
• Familiarity with Terraform, CloudFormation, or CI/CD pipelines
• Experience with monitoring tools (e.g., CloudWatch, New Relic)
• Knowledge of security, backup, and disaster recovery practices
• Strong problem-solving and communication skills
• Experience supporting system reliability and incident management
• Interest in mentoring and knowledge sharing

If you are interested in the role, please apply with a cover letter and CV.

We promote a healthy work/life balance across the organisation. With an average length of service of 9 years, we are confident that we offer an appealing working prospect for our people. With numerous wellbeing initiatives, shared parental leave, study assistance and sabbaticals, we will help you meet your immediate responsibilities and your long-term goals.

Working in a hybrid way from both the office and at home, working flexible hours - flexing the times you work in the day.

We are an equal opportunity employer with a commitment to help you succeed. Here, you will find an inclusive, agile, collaborative, innovative and fun environment, where everyone has a part to play. Regardless of the team you join, we promote a diverse environment with co-workers who are passionate about what they do, and how they do it.

At Elsevier, we know that your wellbeing and happiness are key to a long and successful career. These are some of the benefits we are delighted to offer:

• Generous holiday allowance with the option to buy additional days
• Health screening, eye care vouchers and private medical benefits
• Wellbeing programs
• Life assurance
• Access to a competitive contributory pension scheme
• Long service awards
• Save As You Earn share option scheme
• Travel Season ticket loan
• Maternity, paternity and shared parental leave
• Access to emergency care for both the elderly and children
• RE CARES days, giving you time to support the charities and causes that matter to you
• Access to employee resource groups with dedicated time to volunteer
• Access to extensive learning and development resources
• Access to employee discounts via Perks at Work

A global leader in information and analytics, we help researchers and healthcare professionals advance science and improve health outcomes for the benefit of society. Building on our publishing heritage, we combine quality information and vast data sets with analytics to support visionary science and research, health education and interactive learning, as well as exceptional healthcare and clinical practice. At Elsevier, your work contributes to the world’s grand challenges and a more sustainable future.

We are committed to providing a fair and accessible hiring process. If you have a disability or other need that requires accommodation or adjustment, please let us know by completing our Applicant Request Support Form or please contact 1-855-833-5120.

Criminals may pose as recruiters asking for money or personal information. We never request money or banking details from job applicants.

We are an equal opportunity employer: qualified applicants are considered for and treated during employment without regard to race, color, creed, religion, sex, national origin, citizenship status, disability status, protected veteran status, age, marital status, sexual orientation, gender identity, genetic information, or any other characteristic protected by law.