Networking and Security Lead

Senior Staff Software Development Engineer

Zscaler

About Zscaler Zscaler accelerates digital transformation to ensure our customers can be more agile, efficient, resilient, and secure. As an AI-forward enterprise, we are constantly pushing the envelope, leveraging the world’s largest security data lake to power our cloud-native Zero Trust Exchange platform. This innovation protects our customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location. Here, impact in your role matters more than title and trust is built on results. We say, impact over activity. We seek innovators who actively use AI to amplify their impact and who thrive in an environment where we leverage intelligent systems to stay ahead of evolving threats. We believe in transparency and value constructive, honest debate—we’re focused on getting to the best ideas, faster. We build high-performing teams that can make an impact quickly and with high quality. To do this, we are building a culture of execution centered on customer obsession, collaboration, ownership, and accountability. We value high-impact, high-accountability with a sense of urgency where you’re enabled to do your best work and embrace your potential. If you’re driven by purpose, thrive on solving complex challenges, and want to be part of the team that’s helping to secure the AI age, we invite you to bring your talents to Zscaler and help shape the future of cybersecurity.      Role We are looking for a Sr. Staff Engineer to join our team. This is a hybrid role based in Bangalore, reporting to the Director, Software Engineering in the Software Engineering department. In this role, you will join the Zero Trust Branch (ZTB) team, focusing on the development of high-performance, low-latency networking and security services. As part of the world’s cloud security leader, you will be at the forefront of shaping the next generation of secure networking by extending our architecture to new features and services. What you’ll do (Role Expectations) * Design and optimize system infrastructure and data paths for high-performance networking and low-latency security applications * Implement and optimize core networking protocols, including NAT, DNS, DHCP, and Policy Enforcement, to ensure enterprise-grade performance * Leverage AI coding assistants and LLMs to optimize code for performance and memory safety while streamlining the development lifecycle through automated testing * Resolve complex system issues by utilizing deep expertise in the Linux kernel, networking features, and file systems * Develop detailed technical specification documents and conduct rigorous unit tests to ensure absolute system quality and reliability Who You Are (Success Profile) * You thrive in ambiguity. You're comfortable building the path as you walk it. You thrive in a dynamic environment, seeing ambiguity not as a hindrance, but as the raw material to build something meaningful. * You act like an owner. Your passion for the mission fuels your bias for action. You operate with integrity because you genuinely care about the outcome. True ownership involves leveraging dynamic range: the ability to navigate seamlessly between high-level strategy and hands-on execution. * You are a problem-solver. You love running towards the challenges because you are laser-focused on finding the solution, knowing that solving the hard problems delivers the biggest impact. * You are a high-trust collaborator. You are ambitious for the team, not just yourself. You embrace our challenge culture by giving and receiving ongoing feedback—knowing that candor delivered with clarity and respect is the truest form of teamwork and the fastest way to earn trust. * You are a learner. You have a true growth mindset and are obsessed with your own development, actively seeking feedback to become a better partner and a stronger teammate. You love what you do and you do it with purpose. What We’re Looking for (Minimum Qualifications) * Foundational understanding of AI/ML technologies and experience leveraging, securing, or positioning AI-driven solutions to optimize outcomes within your functional domain * 8+ years of systems engineering experience focused on designing and optimizing infrastructure for high-performance, low-latency applications * Deep technical expertise in core networking protocols including IPsec, BGP, OSPF, and transport layer optimization (TCP/UDP) * Advanced proficiency in Linux internals, systems programming with Python or Golang, and the use of Linux kernel tools * Familiarity with agile methodologies and modern software development lifecycles in a fast-paced environment What Will Make You Stand Out (Preferred Qualifications) * Experience architecting LLM-powered agents or retrieval-augmented generation (RAG) frameworks to automate root-cause analysis for complex kernel and networking anomalies * Hands-on experience with Software Defined Networking (SDN), cloud platforms like AWS/Azure, and containerization tools such as Docker or Kubernetes * Strong communication skills with a track record of aligning technical execution with cross-functional product roadmaps #LI-Hybrid #LI-SU1 At Zscaler, we are committed to building a team that reflects the communities we serve and the customers we work with. We foster an inclusive environment that values all backgrounds and perspectives, emphasizing collaboration and belonging. Join us in our mission to make doing business seamless and secure. Our Benefits program is one of the most important ways we support our employees. Zscaler proudly offers comprehensive and inclusive benefits to meet the diverse needs of our employees and their families throughout their life stages, including: * Various health plans * Time off plans for vacation and sick time * Parental leave options * Retirement options * Education reimbursement * In-office perks, and more! Learn more about Zscaler's hybrid working model and benefits here. By applying for this role, you adhere to applicable laws, regulations, and Zscaler policies, including those related to security and privacy standards and guidelines. Zscaler is committed to providing equal employment opportunities to all individuals. We strive to create a workplace where employees are treated with respect and have the chance to succeed. All qualified applicants will be considered for employment without regard to race, color, religion, sex (including pregnancy or related medical conditions), age, national origin, sexual orientation, gender identity or expression, genetic information, disability status, protected veteran status, or any other characteristic protected by federal, state, or local laws. See more information by clicking on the Know Your Rights: Workplace Discrimination is Illegal link. Pay Transparency Zscaler complies with all applicable federal, state, and local pay transparency rules. Zscaler is committed to providing reasonable support (called accommodations or adjustments) in our recruiting processes for candidates who are differently abled, have long term conditions, mental health conditions or sincerely held religious beliefs, or who are neurodivergent or require pregnancy-related support.

Staff Site Reliability Engineer, Security- GCP

Okta

Secure Every Identity, from AI to Human Identity is the key to unlocking the potential of AI. Okta secures AI by building the trusted, neutral infrastructure that enables organizations to safely embrace this new era. This work requires a relentless drive to solve complex challenges with real-world stakes. We are looking for builders and owners who operate with speed and urgency and execute with excellence. This is an opportunity to do career-defining work. We're all in on this mission. If you are too, let's talk. Okta’s Workforce Identity Cloud Security Engineering group is looking for an experienced and passionate Staff Site Reliability Engineer to join a team focused on designing and developing Security solutions to harden our cloud infrastructure. We embrace innovation and pave the way to transform bright ideas into excellent security solutions that help run large-scale, critical infrastructure. We encourage you to prescribe defense-in-depth measures, industry security standards and enforce the principle of least privilege to help take our Security posture to the next level. Our Infrastructure Security team has a niche skill-set that balances Security domain expertise with the ability to design, implement, rollout infrastructure across multiple cloud environments without adding friction to product functionality or performance. We are responsible for the ever-growing need to improve our customer safety and privacy by providing security services that are coupled with the core Okta product. This is a high-impact role in a security-centric, fast-paced organization that is poised for massive growth and success. You will act as a liaison between the Security org and the Engineering org to build technical leverage and influence the security roadmap. You will focus on engineering security aspects of the systems used across our services. Join us and be part of a company that is about to change the cloud computing landscape forever. As a Staff Engineer, you should be able to identify gaps, propose innovative solutions, and contribute to roadmaps while driving alignment across multiple teams within the organization. Additionally, you should serve as a role model, providing technical mentorship to junior team members and fostering a culture of learning and growth What are we looking for? We are looking for a security-first SRE engineer who doesn't just "flag" issues but builds the automation to solve them. You should have a deep-seated intuition for cloud-native security and a proven track record of hardening large-scale GCP and AWS environments. As a Technical SME, you will design and build production infrastructure with a "security-at-scale" mindset. What You Will Work On? Security Evangelism: Lead initiatives to strengthen our security posture for critical infrastructure and promote best practices across the engineering organization. Incident Response & Reliability: Respond to production security incidents, perform root cause analysis, and build automated preventions to ensure high performance and reliability. Automated Hardening: Identify manual security processes and automate them using custom tooling and CI/CD integrations. Architecture & Documentation: Develop technical documentation, runbooks, and procedures for a 24x7 online environment. Platform Evolution: Continuously evolve our monitoring platforms, moving from simple auditing to active, automated prevention. Minimum Required Knowledge, Skills, & Abilities: Experience: 8+ years of experience architecting and running complex cloud networking and infrastructure, with at least 7+ years specialized in DevSecOps or Cloud Security. GCP Expertise: Minimum 3+ years of deep, hands-on experience securing GCP (GKE, GCE, Shared VPC etc). Infrastructure as Code (IaC): 10+ years of experience using Terraform and Chef to manage complex cloud resources and OS hardening. Automation Mastery: Expert-level proficiency in Go, Python, or Ruby for building custom security tooling and automated remediation. Hardened Containers: Proven track record of securing containerized workloads, including image scanning, K8s RBAC, and runtime security tools (e.g., CrowdStrike Falcon, Falco, or gVisor). Unflappable Troubleshooting: A "see a problem, fix the problem" mindset with the ability to debug complex networking, IAM, or performance issues under pressure. Security Foundations: Strong grasp of Linux internals, OS hardening (CIS benchmarks), and IP protocols (TLS/SSL, DNSSEC, BGP). Education: BS in Computer Science or equivalent professional experience. Key Responsibilities: IAM & Secrets Management: Design and maintain large-scale production IAM policies and secrets management workflows . Infrastructure Hardening: Implement and maintain Public Key Infrastructure (PKI) and ensure all GCE/GKE environments meet strict compliance standards. Operational Excellence: Utilize industry-standard tools like OSQuery, Splunk, Chronicle, Nessus, or Qualys/ Crowdstrike to monitor system health and security telemetry. Strategic Rollouts: Lead the phased transition of security policies from Audit/Detection mode to Blocking/Prevention mode, ensuring zero impact on production uptime. Bonus Points For: Multi-Cloud IAM Governance: Experience designing a unified IAM framework across AWS and GCP, utilizing federated Identities such as Workload, Workforce Identity Federation with understanding of SAML & OIDC auth mechanism and automated "Least Privilege" enforcement. Cloud-Native Reliability Engineering: Deep understanding of multi-cloud reliability patterns, maintaining high availability (HA) during security patching or infrastructure-wide hardening. Hardened Kubernetes Orchestration: Advanced experience securing GKE, EKS, and kOps, specifically implementing Pod Security Standards, Network Policies, and Admission Controllers for a "Zero-Trust" posture. Threat Modeling:Security Reviews & Threat Modeling at both Design & Implementation scope. The Okta Experience * Supporting Your Well-Being  * Driving Social Impact  * Developing Talent and Fostering Connection + Community We are intentional about connection. Our global community, spanning over 20 offices worldwide, is united by a drive to innovate. Your journey begins with an immersive, in-person onboarding experience designed to accelerate your impact and connect you to our mission and team from day one. Okta is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, ancestry, marital status, age, physical or mental disability, or status as a protected veteran. We also consider for employment qualified applicants with arrest and convictions records, consistent with applicable laws. If reasonable accommodation is needed to complete any part of the job application, interview process, or onboarding please use this Form to request an accommodation. Notice for New York City Applicants & Employees: Okta may use Automated Employment Decision Tools (AEDT), as defined by New York City Local Law 144, that use artificial intelligence, machine learning, or other automated processes to assist in our recruitment and hiring process. In accordance with NYC Local Law 144, if you are an applicant or employee residing in New York City, please click here to view our full NYC AEDT Notice.

Senior Cyber Security Engineer - Network Security

H & M Hennes & Mauritz GBC AB

Job Description Join our Cyber Security Engineering unit, where innovation and security drive us. We are transforming technology with modern Network Security, integrations and cloud services. We are looking for a highly skilled and experienced Senior Cyber Security Engineer to join our Network Security Engineering team. This role involves architecting, designing, implementing, and maintaining robust security measures to protect our global network infrastructure. The ideal candidate will blend theoretical knowledge with hands-on expertise. This role requires a deep understanding of cybersecurity principles, Network Security technologies, and the ability to collaborate across multiple globally dispersed stakeholders and teams. WHAT YOU’LL DO Lead the development, optimization and integration of network security policies, rules and monitoring across platforms such as NDR, SSE, SD‑WAN and proxy solutions Design and improve network security solutions across branches, stores and data centers, ensuring strong alignment with business and security needs Conduct security architecture reviews, risk assessments and threat modelling, and drive hardening initiatives across our network landscape Modernize network security by transitioning from legacy systems to modern SSE and ZTNA solutions, supported by clear roadmaps, policies and plans Monitor and enhance the performance, availability and reliability of network security solutions, ensuring compliance with ISO, NIST, GDPR and internal standards Design, configure and troubleshoot network security devices and services across on‑prem and cloud environments, providing advanced Level‑3 support when needed WHO YOU'LL WORK WITH You’ll join a friendly and collaborative Network Security Engineering team of seven, soon to be eight, working closely with colleagues across Business Tech. Your daily partners will include network SMEs, Cyber Security Advisors, Core Platforms and Global Infrastructure Services, as well as teams supporting stores, warehouses and new market entries. You’ll also connect with external partners and contribute to cross‑functional projects where network and cyber security come together. This is a highly collaborative environment where your expertise will help shape our security posture and uplift the team’s cyber maturity. WHO YOU ARE 6+ years of experience in cybersecurity engineering, with a focus on network environments Strong, practical knowledge of: Network security technologies (firewalls, IDS/IPS, SWG, SASE, VPN, CASB, ZTNA), Cloud platforms: Azure, GCP, Security architecture methodologies and governance frameworks Expertise in network security solutions and products provided by Cisco, HP Aruba, Zscaler and Citrix NetScaler (proven by certificates) Strong knowledge of risk assessment and security control frameworks (ISO 27001, NIST). Familiarity with security maturity models including C2M2 Excellent ability to translate security requirements into implementable engineering solutions. Strong understanding of IP networking and protocols, including IPsec, HSRP, BGP, OSPF, 802.11, and QoS. Understand regulatory and compliance requirements (GDPR, PCI-DSS, Schrems, etc.). Independent problem-solving, addressing complex security challenges with minimal supervision. Preferred qualifications: CCNP (Security) or higher-level certifications such as the CCIE. CISSP or OSCP security certifications. Azure Security Engineer, or GCP Security Engineer certification. Experience with Agile methodologies and tools (e.g., Jira/Confluence) WHO WE ARE H&M is a fashion brand that offers the latest styles and inspiration, from fashion pieces and unique designer collaborations to affordable wardrobe essentials. Our business idea is fashion & quality at the best price in a sustainable way. Learn more about H&M here. WHY YOU’LL LOVE WORKING HERE Benefits All our employees are included in our H&M Incentive Program (HIP) All our employees receive a staff discount card, which is usable on all our H&M Group brands in stores and online. Brands covered by the discount are H&M (Beauty and Move included), COS, Weekday, Monki, H&M HOME, & Other Stories, ARKET. Work-life balance, 30 days’ vacation and wellness allowance 4000 SEK/yearly Access to Benify, for discounts on e.g. Gym memberships, travel, hotels and many other great deals. Compensation boost during parental leave In addition to our global benefits, all our local markets offer different competitive perks and benefits. Please note that they may differ between employment type and countries. Inclusion & Diversity H&M is a part of H&M Group. At H&M Group, we’re determined to create and maintain inclusive, diverse and equitable workplaces throughout our organization. Our teams should consist of a variety of people that share and combine their knowledge, experience and ideas. Having a diverse workforce leads to a positive impact on how we address challenges, on what we perceive possible and on how we choose to relate to our colleagues and customers all over the world. Hence all diversity dimensions are taken into consideration in our recruitment process. We are committed to a recruitment process that is fair, equitable, and based on competency. We therefore kindly ask you to not attach a cover letter in your application.