SR Security Engineer (Blockchain)

About Pearster 

We are a USA-based global IT company offering Team Extension, Managed Services and Performance Squads to clients in the USA, Canada, and Europe. With a global team, we connect talent with top opportunities while creating a personalized and enriching experience for our staff.

Description

We are looking for a Senior Security Ops Engineer to join the security team of a leading American blockchain services company. This role involves enhancing and managing security operations and incident response capabilities. It requires a mix of strategic and tactical execution, technical expertise, and the ability to drive critical, time-sensitive initiatives. The ideal candidate is a self-starter, highly communicative, and has a strong sense of ownership and teamwork to strengthen the organization's security posture.

Responsibilities

• Develop detection techniques for security events, anomalous activity, system availability attacks, and environment integrity risks (e.g., product abuse and fraud) while working as part of the Blue Team to enhance defensive security strategies.
• Implement and operationalize end-to-end security incident procedures:
• Preparation/ Detection and analysis/ Containment, eradication, and recovery / Post-incident analysis
• Implement and maintain perimeter security controls, including WAF, firewall configurations, zero trust solutions, and DDoS protections.
• Centralize security logging across internally managed hosts and cloud resources.
• Implement and manage vulnerability and configuration scanning tools (setup, tuning, scheduling).
• Build, test, and operationalize security patching automation pipelines.
• Support security projects like threat modeling, vulnerability scanning, audits, automation, and custom tool building.
• Advise engineering and operations teams on detection, investigation, and response capabilities.
• Build cross-functional relationships to promote security best practices and prioritization

Requirements 

• Fluent English.
• 5+ years of experience in security operations, incident management, and cybersecurity.
• Experience working in a Blue Team role, focusing on defensive security strategies and threat mitigation.
• Passion for Web3/blockchain technology (previous industry experience is a plus).
• Deep knowledge of threat detection and analysis, security control automation, vulnerability management, network security, and SIEM solutions.
• Experience handling incidents like unauthorized access, DDoS, XSS, phishing, spam, and service abuse.
• Strong analytical and problem-solving skills with a creative and strategic mindset.
• Expertise in managing Linux hosts.
• Proficiency in Bash and Python.
• Experience in Go development.
• Experience maintaining Infrastructure as Code (IaC), preferably with Ansible and Terraform (Salt, Puppet, or Chef is also acceptable).
• Experience with cloud providers such as Oracle, AWS, Azure, and Google Cloud.

Benefits 

• Fully remote work arrangement as a contractor 
• Competitive salary in USD 
• 10 paid time off (PTO) days per year 
• 100% company-covered international certifications 
• Access to coworking spaces 
• English classes 
• Engaging team-building activities 
• Personalized gifts 
• Welcome kit 
• Referral program 

We'd love to hear from you. Apply now and lets build something great together!