logo inner

Operations Security Engineer

DFINITYZurich, SwitzerlandOnsite

We are seeking an experienced Operations Security Engineer to support and enhance the security posture of our infrastructure, both on-premises and in the cloud (specifically in GCP). In this role, you will leverage your expertise in automation tools, scripting, and security best practices to perform regular assessments, maintain secure configurations, and respond to potential threats. You will also play a critical role in operating and optimizing our Security Information and Event Management (SIEM) solution.
* Please note that this role requires in-office work from our amazing office in Zurich 3 days per week

Key Responsibilities


Data Center & Cloud Security


  • Maintain and improve security controls in both on-premise data center and third-party cloud platforms like Google Cloud Platform (GCP), Amazon Web Services (AWS) and Microsoft’s Azure
  • Collaborate with DevOps, IT, and engineering teams to ensure secure configuration and deployment of services.

Automation & Scripting


  • Develop and maintain automation scripts using Terraform, Ansible, Python, and Bash to streamline security operations.
  • Implement infrastructure-as-code (IaC) principles to improve consistency and repeatability.

Security Assessments


  • Conduct regular security audits and vulnerability assessments of servers, network devices, and cloud resources.
  • Recommend and implement mitigation strategies for identified risks and vulnerabilities.

Network Security & Inventory Management


  • Drive network segregation initiatives to minimize the attack surface and contain potential breaches.
  • Oversee hardware and software inventory management, ensuring all components comply with security standards.

SIEM Operations


  • Manage day-to-day SIEM activities, including log ingestion, correlation rule development, and real-time monitoring.
  • Analyze alerts and investigate security incidents, escalating or remediating as appropriate.

Collaboration & Best Practices


  • Work cross-functionally with various teams (e.g., IT, DevOps, Incident Response) to align security objectives and best practices across the organization.
  • Contribute to the development and maintenance of security policies, procedures, and documentation.

Qualifications


Education & Experience


  • Bachelor’s degree in Computer Science, Information Security, or related field (or equivalent work experience).
  • Proven experience in operations security, with a strong focus on both on-premises data centers and cloud environments.

Technical Skills


  • Strong experience in deploying, operating, and optimizing Elastic SIEM within the Elastic Stack (ELK), including log ingestion, alerting, and event correlation.
  • Proficient in Kibana for data visualization, querying, and building dashboards to support threat detection and incident response.
  • Hands-on experience working in a Security Operations Center (SOC) or a similar security-focused environment.
  • Proficiency with configuration management and automation tools (Terraform, Ansible), scripting (Python, Bash), and command-line interfaces.
  • Strong Experience with security assessment methodologies, including vulnerability scanning, penetration testing, and configuration audits.
  • Well-versed in network security best practices, including network segmentation strategies, firewall configurations, and related security measures.
  • Familiarity with blockchain and cryptocurrency technologies is a plus
  • Experience in fine-tuning base LLM models for security operations is a plus.
  • Knowledge of Digital Forensics and Incident Response (DFIR) is a plus.

Soft Skills


  • Excellent problem-solving and analytical skills, with the ability to interpret security logs and alerts.
  • Effective communication skills for cross-team collaboration and reporting to stakeholders.
  • Strong organizational skills and attention to detail.

About DFINITY and the Internet Computer:


DFINITY is a leading contributor to the Internet Computer Protocol (ICP), with a mission to bring the world's compute onto the secure ICP network. Built on its unique third-generation blockchain technology, ICP enables the development and operation of a new generation of unstoppable, tamper-proof, fully decentralized web applications. Its powerful technology can run entire AI models within smart contracts, representing a major advancement for secure AI. Through seamless integration with Bitcoin, Ethereum, and other networks, ICP facilitates multi-chain operations for digital assets and web3.Join our team of over 250 talented individuals, including world-renowned cryptographers, distributed systems engineers, programming language experts, and industry leaders, who are shaping the future of the internet and web3.DFINITY was founded in 2016 by entrepreneur and crypto theoretician, Dominic Williams.All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status.

Life at DFINITY

DFINITY is a blockchain based world computer network that is powerful enough to host business applications at scale. The network features a variety of innovations in the blockchain space. The DFINITY network is self-governing through the use of an adaptive network called the Blockchain Nervous System (BNS). The network is also capable of achieving transaction finality at an average speed of 5 seconds due to advancements in random number generation and selection. The DFINITY protocol uses Verifiable Random Functions (VRFs), BLS Cryptography and the Threshold Relay technique (powered by a random beacon) to achieve these speeds. This technology is aimed at developers who would like to create and run smart contracts on a blockchain network. DFINITY is also attractive for businesses seeking an enterprise solution that can lower (human capital based) costs with benefits such as speed, security and scalability.
Thrive Here & What We Value- Inoffice work from our amazing office in Zurich.- Passionate about building the future of Web3.- Collaborative team culture.- Significant Growth Opportunities.- Invitation to Play a Crucial Role in DFINITY's Journey.- Support for ongoing learning and professional development.- Flexible working hours and remote work options.- Strong Interest in Web3 Technologies, Ideally with Project or Research Experience, and Proactive Approach to Innovation.- Collaborative environment with a focus on teamwork.- Opportunities for career growth and advancement.

Related Sub

This job belongs to these sub. Explore related roles here:
Top web3 jobs
Your tracker settings

We use cookies and similar methods to recognize visitors and remember their preferences. We also use them to measure ad campaign effectiveness, target ads and analyze site traffic. To learn more about these methods, including how to disable them, view our Cookie Policy or Privacy Policy.

By tapping `Accept`, you consent to the use of these methods by us and third parties. You can always change your tracker preferences by visiting our Cookie Policy.

logo innerThatStartupJob
Discover the best startup and their job positions, all in one place.
Copyright © 2025