• Lead the design, deployment, and optimization of enterprise security technologies, including Next-Generation Firewalls (NGFW), Intrusion Prevention Systems (IPS), and Secure Web Gateways (SWG). • Monitor, audit, and maintain network security technologies, such as firewalls, intrusion detection/prevention systems, and secure web gateways to protect the CWGS's IT infrastructure from unauthorized access, cyber-attacks, and other security risks • Lead comprehensive security assessments and threat modeling to identify architectural weaknesses; drive the roadmap for necessary infrastructure upgrades. • Design, implement, and enforce advanced security policies and procedures that align with global organizational goals. • Act as a technical lead and mentor to junior and mid-level engineers, fostering a culture of technical excellence and continuous security awareness. • Serve as a primary escalation point for complex security incidents, leading forensic analysis and post-mortem remediation efforts. • Proactively research and integrate emerging security trends and automation tools to streamline security operations. • Provide input and recommendations for improving the company's security posture.

• Perform and evaluate technical assessments of complex Microsoft infrastructures (Active Directory, AD CS, PKI, Windows Server) • Analyze critical security risks in complex legacy and hybrid environments and define sustainable remediation measures • Architect, plan and implement demanding migration and security projects in Windows Server environments • Act in a consultative role on client projects (travel approximately 10–20%) with deep technical involvement, including workshops and decision support • Prepare architecture designs and technical documentation for secure, scalable solutions • Further develop modern identity services with an increasing focus on Microsoft Entra ID / Azure AD

We are hiring an experienced Security Software Engineer (Staff or Senior) for our Infrastructure Security team to design and build scalable security controls and services within MongoDB Atlas multi-cloud infrastructure. The team sits within the Site Reliability Engineering organization and works with other engineering teams to ensure that our infrastructure adheres to the highest security standards. This role can be based out of our Dublin office, or work fully remotely in Ireland. Responsibilities: - Design and build core security primitives and services that protect MongoDB Atlas compute, networking, and identity across AWS, Azure, and GCP - Build secure-by-default infrastructure using Linux security mechanisms (AppArmor, SELinux, seccomp, cgroups), Kubernetes, and eBPF to enforce runtime policies and gain deep visibility into systems behaviour - Develop APIs, automation, and tooling that manage security posture at scale (CSPM, vulnerability management, workload identity) and provide monitoring, logging, and alerting pipelines that integrate with our tooling (Grafana, Splunk, Victoria Metrics.) - Integrate security into our CI/CD and infrastructure-as-code workflows (Terraform) so that security controls are versioned, reviewed, and deployed just like any other code - Lead complex projects end‑to‑end, from problem discovery and design docs to implementation, rollout, and long‑term ownership - Collaborate with SRE, platform and product engineering teams to define secure architectures for new infrastructure and services Qualifications:You might be a great fit if you match some of the following: - 5+ years of experience in Software Engineering, Site Reliability Engineering, or similar roles, preferably with relevant security work - Proficiency with at least one programming language (Java, Golang, Rust, Python, or C/C++) and experience with infrastructure-as-code tools (Terraform) to automate security configurations and processes - A deep understanding of Linux and networking concepts, including low-level fundamentals, and how they work together in complex systems - Experience building security-related features or platforms such as runtime monitoring, CSPM, or vulnerability management - Experience with a cloud provider (AWS, GCP, or Azure) and their security best practices and building blocks - Hands-on experience with Kubernetes and its security ecosystem (e.g. RBAC, OPA/Gatekeeper, Kyverno, eBPF, Falco, Tetragon) - A systems mindset: you think about failure modes, performance, observability, and operability alongside security and correctness - Strong communication skills and the ability to explain complex security concepts and tradeoffs to both technical and non-technical stakeholders About MongoDBMongoDB is built for change, empowering our customers and our people to innovate at the speed of the market. We have redefined the database for the AI era, enabling innovators to create, transform, and disrupt industries with software. MongoDB’s unified database platform, the most widely available, globally distributed database on the market, helps organizations modernize legacy workloads, embrace innovation, and unleash AI. Our cloud-native platform, MongoDB Atlas, is the only globally distributed, multi-cloud database and is available across AWS, Google Cloud, and Microsoft Azure. With offices worldwide and over 60,000 customers, including 75% of the Fortune 100 and AI-native startups, relying on MongoDB for their most important applications, we’re powering the next era of software. Our compass at MongoDB is our Leadership Commitment, guiding how and why we make decisions, show up for each other, and win. It’s what makes us MongoDB. To drive the personal growth and business impact of our employees, we’re committed to developing a supportive and enriching culture for everyone. From employee affinity groups, to fertility assistance and a generous parental leave policy, we value our employees’ wellbeing and want to support them along every step of their professional and personal journeys. Learn more about what it’s like to work at MongoDB, and help us make an impact on the world! MongoDB is committed to providing any necessary accommodations for individuals with disabilities within our application and interview process. To request an accommodation due to a disability, please inform your recruiter. MongoDB is an equal opportunities employer. Req ID: 426183

Choosing Capgemini means choosing a company where you will be empowered to shape your career in the way you’d like, where you’ll be supported and inspired by a collaborative community of colleagues around the world, and where you’ll be able to reimagine what’s possible. Join us and help the world’s leading organizations unlock the value of technology and build a more sustainable, more inclusive world. Job Description We are seeking a highly skilled Network & Security Engineer with a strong background in infrastructure and security. The ideal candidate will be responsible for designing, implementing, maintaining, and supporting our growing network infrastructure, ensuring the stability and integrity of in-house voice, data, video, and wireless network services. This role also involves planning and implementing network security measures to protect data, software, and hardware. About You We are looking for passionate individuals who are highly motivated and client-focused. The ideal candidate should have extensive experience with Checkpoint, Palo Alto, F5, and Cisco devices, supporting routing, switching, wireless, and voice technologies, along with a solid understanding of cloud platforms like AWS and Azure. Key Responsibilities: • Design and deploy functional networks (LAN, WLAN, WAN, SD-WAN) • Configure and install various network devices and services (e.g., routers, switches, firewalls, VPN, QoS) • Perform network maintenance and system upgrades including service packs, patches, hotfixes, and security configurations • Monitor performance and ensure system availability and reliability • Monitor system resource utilization, trending, and capacity planning • Provide Level-2/3 support and troubleshooting to resolve issues • Work within established configuration and change management policies to ensure awareness, approval, and success of changes made to the network infrastructure • Select and implement security tools, policies, and procedures in conjunction with the company’s security team • Liaise with vendors and other IT personnel for problem resolution Job Description - Grade Specific Requirements: • Proven experience in a network administrator role • Hands-on experience in networking, routing, and switching • Excellent knowledge of best practices around management, control, and monitoring of server infrastructure • Experience with firewalls, Internet VPN’s remote implementation, troubleshooting, and problem resolution • Ability to set up and configure server hardware • Familiarity with backup and recovery software and methodologies • Great at organizing, prioritizing, and multitasking Preferred Certifications: • Cisco Certified Network Associate (CCNA) or Cisco Certified Network Professional (CCNP) • Checkpoint Certified Security Administrator (CCSA) or Checkpoint Certified Security Expert (CCSE) • Palo Alto Networks Certified Network Security Administrator (PCNSA) or Palo Alto Networks Certified Network Security Engineer (PCNSE) • F5 Certified Administrator (F5-CA) • AWS Certified Advanced Networking - Specialty or equivalent Azure certifications • NV1 cleared preferred Education and Experience: • Minimum of 5 years of experience working with Checkpoint, Palo Alto, F5, and Cisco technologies Skills and Competencies: • Strong understanding of network infrastructure and network hardware • Ability to think through problems and visualize solutions • Good analytical and problem-solving skills • Dependable and flexible when necessary • Network security experience • Ability to work independently under minimal supervision What You’ll Love About Working Here - We recognise the significance of flexible work arrangements to provide support. Be it remote work, or flexible work hours, you will get an environment to maintain healthy work life balance. - At the heart of our mission is your career growth. Our array of career growth programs and diverse professions are crafted to support you in exploring a world of opportunities. - Equip yourself with valuable certifications in the latest technologies such as AWS and Microsoft Azure. Capgemini is an AI-powered global business and technology transformation partner, delivering tangible business value. We imagine the future of organizations and make it real with AI, technology and people. With our strong heritage of nearly 60 years, we are a responsible and diverse group of 420,000 team members in more than 50 countries. We deliver end-to-end services and solutions with our deep industry expertise and strong partner ecosystem, leveraging our capabilities across strategy, technology, design, engineering and business operations. The Group reported 2024 global revenues of €22.1 billion. Make it real | www.capgemini.com