Senior Cybersecurity Analyst (Remote)

Introduction

We’re a B2B SaaS company based in Vilnius, Lithuania developing industry leading web data gathering solutions.Our team of 500+ professionals builds cutting-edge web data gathering solutions used by global businesses, including Fortune 500 companies.Born out of the Tesonet business accelerator alongside NordVPN and Surfshark, we’ve been growing steadily for 9 years — and there’s more to come. With 3500+ clients worldwide and a portfolio of 100+ tech patents, we’re on the run for continuous engineering excellence and innovation.

What’s in store for you:

In this fully remote position, you’ll be developing complex products and working with an infrastructure processing petabytes of data. Expect challenges that will elevate your expertise, loads of ownership, the latest tech stack, and effective collaboration with a large team of engineering professionals.

Your day-to-day:

• Lead the utilization, tuning, and administration of enterprise security tools, including endpoint protection (XDR/EDR), SIEM, vulnerability scanners, software monitoring, and threat intelligence platforms.

• Develop and evolve the organization's SIEM strategy, incorporating AI/ML for advanced correlation, anomaly detection, and predictive threat intelligence to drive operational efficiency.

• Develop, implement, and monitor key SIEM efficiency metrics (e.g., MTTD/MTTR).

• Drive incident response efforts, coordinating with cross-functional teams (e.g., engineering, compliance, executive leadership) to contain, remediate, and conduct post-incident reviews.

• Mentor cybersecurity analysts, contribute to security policy development, and identify opportunities for process improvements and AI-enhanced efficiencies.

Your skills & experience:

• Hands-on experience in cybersecurity operations, with proven expertise in security tools like vulnerability scanners (e.g., Nessus), XDR/EDR (e.g., CrowdStrike, SentinelOne), and SIEM platforms (e.g., Splunk, Elastic).

• Deep experience in SIEM alert triage, correlation, rule development, and strategy design, including AI/ML integration for efficiency and threat detection.

• Strong foundational and advanced knowledge of operating systems (Linux/Windows), networking protocols (TCP/IP), cloud security (AWS/GCP/Azure), and information security frameworks (NIST, MITRE ATT&CK).

• Exceptional analytical, problem-solving, and threat-hunting skills, with a track record of improving efficiency metrics like MTTD/MTTR through automation and AI.

• Excellent verbal and written communication skills in English, including experience presenting to stakeholders and documenting incidents/reports.

• Relevant certifications such as CISSP, CISM or equivalent, auditing/compliance experience (e.g., SOC 2) are highly valued.