{"id":2827036,"url":"https://alion.io/job/london-stock-exchange-group-devsecops-engineer","title":"DevSecOps Engineer","company":{"id":5734,"name":"London Stock Exchange Group","domain":"lseg.com","url":"https://alion.io/company/lseg","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":80,"open_postings":158,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":17,"computed_at":"2026-10-22T06:10:10Z"}},"role":"Security","role_family":"Security","seniority":"middle","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Paris, France"],"countries":["FR"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":51000,"max_usd":88000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":15},"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Active Directory","optional":false},{"name":"CI/CD","optional":false},{"name":"FortiGate","optional":false},{"name":"IAM","optional":false},{"name":"PowerShell","optional":false},{"name":"Python","optional":false},{"name":"Qualys Cloud Platform","optional":false},{"name":"VMWare","optional":false},{"name":"VPN","optional":false},{"name":"Ansible","optional":true},{"name":"AWS","optional":true},{"name":"Azure","optional":true},{"name":"Chef","optional":true},{"name":"Docker","optional":true},{"name":"GCP","optional":true},{"name":"GitLab","optional":true},{"name":"Kubernetes","optional":true},{"name":"Puppet","optional":true},{"name":"Terraform","optional":true}],"status":"live","first_seen_at":"2026-06-22T00:00:00Z","employer_posted_date":"2026-06-22","last_verified_at":"2026-10-21T20:41:51Z","board_verified":true,"closed_at":null,"days_open":122,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":122},"description":"Role summary\nDo 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?\nWe 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.\nKey responsibilities and accountabilities\nEnsure the optimal functioning of the security capabilities of the Infrastructure platform.\nImplement, tune, and conduct ongoing administration of security tooling, including proposing systems changes, better practices and improvements\nDevelop and enforce security policies and procedures to protect the organization's IT infrastructure.\nContinuously monitor security systems to detect any suspicious activity\nOversee the implementation and management of access controls to ensure only authorized personnel have access to sensitive information.\nContribute on efforts to respond to and recover from security incidents.\nCollaborate with IT Security Team (SecOps) to ensure security measures and controls are integrated according to Group Security policies, Group library controls and industry regulations.\nCollaborate with infrastructure teams to estimate resource requirements, plan for future growth, and ensure infrastructure scalability to meet evolving business needs.\nWhat you'll be doing:\nManage and Configure Security Systems: management and configuration of firewalls, switches, and other network security devices.\nEnsure VMware Cloud Security: Implement and maintain security measures for VMware environments: vCenter, NSX and NKP.\nVulnerability Management: Configure and manage security tools to identify and mitigate vulnerabilities, ensure the follow-up and remediation of identified vulnerabilities\nSetup Monitoring and Security Logging: Set up logs and alerts from solutions to an incident detection service\nManage Access Controls: Oversee identity and access management, including privileged access management.\nAutomate Security Processes: Develop scripts and automation tools using Python, Bash, and PowerShell to streamline security processes.\nYou'll bring:\n Education: Bachelor’s degree in computer science, Engineering, or a related field (or equivalent experience).\nProfessional 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.\nTechnology ExpertiseMandatoryNetwork Security: Fortigate, Stormshield\nVMware Cloud Security: vCenter, NKP, NSX.\nVulnerability Management: Qualys, Contrast\nEDR/VPN: HarfangLab.\nIAM/PAM: Active Directory, WALLIX.\nScripting: Bash, Python, Powershell\n\nTechnology Expertise Advantageous / Nice to haveCI/CD Environments: GitLab, Terraform, Ansible, Chef, and Puppet.\nContainerization: Docker and Kubernetes (K8s).\nPublic Cloud: AWS, Azure, GCP.\n\nAbout London Stock Exchange Group (LSEG)\nLSEG’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.\nLSEG 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).\nAs 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.\nCareer Stage:\nSenior AssociateLondon Stock Exchange Group (LSEG) Information:\nJoin 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.\nLSEG 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.\nOur 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.\nWorking 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.\nWe 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.\nYou 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.\nLSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days and wellbeing initiatives.\nPlease 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.\nIf 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.","description_format":"text","description_chars":7516,"description_truncated":false,"requirements":{"experience_years_min":3,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["Equity","Paid volunteering days","Retirement plans"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["DevSecOps","Data Providers & Datasets","Stock Exchanges & Market Infrastructure","Financial Data & Market Intelligence"],"lifecycle":[{"event":"open","at":"2026-10-18T23:39:09Z"}],"visa":[],"liveness":{"score":3,"band":"cold","label":"Long shot","p_open":1,"p_active":0.112,"p_room":0.28,"age_days":122,"expected_fill_days":17,"reasons":["conf:9","stale_co","velocity","win:tail","crowd:brand"],"computed_at":"2026-10-22T06:10:10Z"},"pay":null,"html_url":"https://alion.io/job/london-stock-exchange-group-devsecops-engineer","json_url":"https://alion.io/job/london-stock-exchange-group-devsecops-engineer.json","meta":{"generated_at":"2026-10-22T06:41:41Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":1754,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-23T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":5734},"rest":"https://alion.io/mcp/rest/get_company?id=5734"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Flondon-stock-exchange-group-devsecops-engineer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Flondon-stock-exchange-group-devsecops-engineer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Flondon-stock-exchange-group-devsecops-engineer"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/london-stock-exchange-group-devsecops-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Flondon-stock-exchange-group-devsecops-engineer"}]}