Cybersecurity Engineer, Managed Security Services

Who We Are

Ready to make a real impact in cybersecurity? At Critical Start, we're not just protecting organizations; we're redefining how it's done. We're a team united by an inspiring purpose: to stop breaches, simplify security, and shape the future of cyber defense.

We deliver 24x7 AI-accelerated, human-validated detection, investigation, and response across IT and OT. This means we cut through the noise, investigate real threats, and take trusted, SLA-backed action—all powered by the brightest minds and the latest AI.

Innovation isn't just a buzzword here; it's our DNA. We pioneered the first MOBILESOC app for on-the-go detection and response, infused AI into automated alert resolution to eliminate noise, and slashed investigation time by an astounding 99.3%. We're transforming how security teams work, and you could be a part of it.

If you're looking for a high-trust, high-impact team where your ideas are amplified by AI and valued by colleagues and customers alike, Critical Start is the place for you. Come build the future of cybersecurity with us.

Want to hear from our team? Watch these videos to gain insights into life at Critical Start or check out our Glassdoor reviews for an inside look.

We are searching for a dedicated and proficient Cybersecurity Engineer to join our Managed Security Services team. The perfect candidate should have extensive knowledge of Security Information and Event Management (SIEM) tools, including Microsoft Sentinel, Splunk, and Sumo Logic. They should also be well-versed in Endpoint Detection and Response/Extended Detection and Response (EDR/XDR) integrations like Sentinel One, Defender for Endpoint/Server, Crowd Strike, and Palo Alto Cortex XDR.

As a Cybersecurity Engineer, you will provide managed security services to our clients, guaranteeing the smooth operation of their security infrastructure.

• Keep your industry knowledge up-to-date by maintaining deep expertise in SIEM tools and EDR/XDR products.
• Deliver our managed services to clients efficiently, working on project-based tasks related to SIEM and EDR/XDR technologies. Collaborate closely with clients to address technical issues, provide value reports, and configure their systems effectively.
• Offer technical guidance, expertise, and configuration support to clients, helping them maintain strong and efficient SIEM and Endpoint security programs.
• Assist clients in implementing best practices for deploying and configuring endpoint agents, endpoint security policies, log forwarders, data sources, content, and alerts.
• Assist clients in enhancing the security of their SIEM and Endpoint products, ensuring alignment with industry standards and our program offerings.
• Troubleshoot problems related to data source interactions with SIEM technologies and API connections between supported security integrations and our platform (CORR).
• Identify chances to automate parts of SIEM and Endpoint engineering tasks to improve efficiency and accuracy.
• Create and update extensive security documentation, encompassing playbooks, standard operating procedures, and training materials.
• Keep abreast of the latest security threats and trends, integrating this knowledge into our security solutions. Attain and maintain relevant security certifications.
• Work closely with fellow cybersecurity engineers, product managers, and architects to devise and implement innovative security solutions that provide the highest level of protection for our clients.

• Bachelor's degree in Computer Science, Cybersecurity, Information Technology, or an equivalent field, or equivalent experience and industry certifications.
• 3+ years of experience with SIEM tools (Splunk, Microsoft Sentinel, Sumo Logic, or Devo).
• Familiarity with various security data sources, log formats, and ingestion methods.
• Experience in creating SIEM content, including alerts, reports, and dashboards.
• Excellent communication and customer service skills.
• 1+ years of experience with any EDR/XDR solution.
• Ability to establish rapport and trust with customers, even in discussions about complex technical issues.
• Proficient in…