DevSecOps Engineer at LSEG – Paris | Jobyssey

Role summary

Do you have a passion for technology? Do you want to make a difference, delivering IT infrastructure used by some of the biggest companies in the world and a critical player in the market infrastructure?

We are seeking a skilled Security Solution Administrator (DevSecOps) to join our team. This role involves managing and securing our IT infrastructure, ensuring it is resilient, scalable, and highly available. The ideal candidate will have experience in network security, cloud security, encryption, vulnerability management, EDR/VPN, monitoring and logging, IAM/PAM. Additionally, familiarity with CI/CD environments, scripting, code scanning, containerization, and public cloud platforms is advantageous.

Key responsibilities and accountabilities

Ensure the optimal functioning of the security capabilities of the Infrastructure platform.
Implement, tune, and conduct ongoing administration of security tooling, including proposing systems changes, better practices and improvements
Develop and enforce security policies and procedures to protect the organization's IT infrastructure.
Continuously monitor security systems to detect any suspicious activity
Oversee the implementation and management of access controls to ensure only authorized personnel have access to sensitive information.
Contribute on efforts to respond to and recover from security incidents.
Collaborate with IT Security Team (SecOps) to ensure security measures and controls are integrated according to Group Security policies, Group library controls and industry regulations.
Collaborate with infrastructure teams to estimate resource requirements, plan for future growth, and ensure infrastructure scalability to meet evolving business needs.

What you'll be doing:

Manage and Configure Security Systems: management and configuration of firewalls, switches, and other network security devices.
Ensure VMware Cloud Security: Implement and maintain security measures for VMware environments: vCenter, NSX and NKP.
Vulnerability Management: Configure and manage security tools to identify and mitigate vulnerabilities, ensure the follow-up and remediation of identified vulnerabilities
Setup Monitoring and Security Logging: Set up logs and alerts from solutions to an incident detection service
Manage Access Controls: Oversee identity and access management, including privileged access management.
Automate Security Processes: Develop scripts and automation tools using Python, Bash, and PowerShell to streamline security processes.

You'll bring:

Education: Bachelor’s degree in computer science, Engineering, or a related field (or equivalent experience).
Professional experience: At least least 5 years as a Security Engineer, or similar role, with a focus on managing and maintaining Security solutions in regulated and or highly available environment. At least 3 years in regulated environments requiring scripting and conf automation languages experience.
Technology Expertise Mandatory
- Network Security: Fortigate, Stormshield
- VMware Cloud Security: vCenter, NKP, NSX.
- Vulnerability Management: Qualys, Contrast
- EDR/VPN: HarfangLab.
- IAM/PAM: Active Directory, WALLIX.
- Scripting: Bash, Python, Powershell
Technology Expertise Advantageous / Nice to have
- CI/CD Environments: GitLab, Terraform, Ansible, Chef, and Puppet.
- Containerization: Docker and Kubernetes (K8s).
- Public Cloud: AWS, Azure, GCP.

About London Stock Exchange Group (LSEG)

LSEG’s vision is to be the most trusted authority in global financial markets. This is achieved through leading the world in providing access to capital, helping customers optimise capital resources and promoting trusted and open environments and services for investment.

LSEG is a diversified international exchange Group that sits at the heart of the world's financial community. The Group operates through four key business divisions: Capital Markets (broad range of international equity, bond and derivatives markets); Post Trade (post trade and risk management services); Global Technology Services (trading platforms and capital markets software); and Information Services (real-time and reference data products).

As a global business, LSEG relies on diversity of culture and thought to deliver on our goals. Therefore we seek hardworking, qualified employees in all our operations around the world−regardless of race, colour, sex/gender, including pregnancy, gender identity and expression, national origin, religion, sexual orientation, disability, age, marital status, citizen status, veteran status, or any other protected classification under country or local law. LSEG makes reasonable accommodations for applicants and employees with disabilities. If an accommodation is needed to participate in the job application or interview process, to perform crucial job functions, and/or to receive other benefits and privileges of employment, please contact us to request an accommodation.

Career Stage:

Senior Associate

London Stock Exchange Group (LSEG) Information:

Join us and be part of a team that values innovation, quality, and continuous improvement. If you're ready to take your career to the next level and make a significant impact, we'd love to hear from you.

LSEG is a leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth.

Our purpose is the foundation on which our culture is built. Our values of Integrity, Partnership, Excellence and Change underpin our purpose and set the standard for everything we do, every day. They go to the heart of who we are and guide our decision making and everyday actions.

Working with us means that you will be part of a dynamic organisation of 25,000 people across 65 countries. However, we will value your individuality and enable you to bring your true self to work so you can help enrich our diverse workforce.

We are proud to be an equal opportunities employer. This means that we do not discriminate on the basis of anyone’s race, religion, colour, national origin, gender, sexual orientation, gender identity, gender expression, age, marital status, veteran status, pregnancy or disability, or any other basis protected under applicable law. Conforming with applicable law, we can reasonably accommodate applicants' and employees' religious practices and beliefs, as well as mental health or physical disability needs.

You will be part of a collaborative and creative culture where we encourage new ideas. We are committed to sustainability across our global business and we are proud to partner with our customers to help them meet their sustainability objectives. Our charity, the LSEG Foundation provides charitable grants to community groups that help people access economic opportunities and build a secure future with financial independence. Colleagues can get involved through fundraising and volunteering.

LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days and wellbeing initiatives.

Please take a moment to read this privacy notice carefully, as it describes what personal information London Stock Exchange Group (LSEG) (we) may hold about you, what it’s used for, and how it’s obtained, your rights and how to contact us as a data subject.

If you are submitting as a Recruitment Agency Partner, it is essential and your responsibility to ensure that candidates applying to LSEG are aware of this privacy notice.

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Role summary

Key responsibilities and accountabilities

What you'll be doing:

About London Stock Exchange Group (LSEG)