About Theos
Our mission is to empower businesses to thrive in the new digital security age by helping define and execute strategies to achieve cyber resilience. Practical steps instead of silver bullets. We are a team of experts in key security domains, including Penetration Testing, Red Teaming, Managed Detection & Response, and Digital Forensics and Incident Response.
We deliver premium security services to local and international clients in Asia, SMEs and enterprises by leveraging leading technologies and expertise that are traditionally only accessible to high end global customers, some of which are also our clients.
We value true Passion for Security, Innovation in our approach to Solutions and Services, and Continuous Development of our People.
Importantly, we deliver on our commitments.
We are seeing tremendous traction and aim to foster a collaborative, flexible working environment to enable the delivery of high value to customers. We are passionate about service and do not hesitate to go above and beyond the call of duty when necessary to ensure that we achieve the right outcome for our Customers and our People.
About the Role
A Senior Cybersecurity Engineer in the Cyber Defense Engineering (CDE) team plays a crucial role in implementing, supporting, and managing cybersecurity solutions on both the customer side and internal SOC infrastructure. They act as technical experts, ensuring high-quality execution of projects, resolving complex issues, and contributing to solution optimization.
Key Responsibilities
- Technical Implementation & Product Engineering
- Configure, deploy, and integrate cybersecurity products/solutions according to project requirements.
- Work closely with Solution/Product Architects to execute tasks per the technical design and best practices.
- Support and Issue Resolution
- Act as a key technical resource in support projects, troubleshooting product issues within SLAs.
- Escalate critical problems to vendor support when necessary.
- Managed Product Operations
- Perform ongoing product management tasks (e.g., change management, access control, scalability, and problem resolution).
- Ensure smooth operations of cybersecurity solutions for internal and external customers.
- Assessment & Continuous Improvement
- Conduct technical assessments and reviews of deployed solutions.
- Provide recommendations for optimization, security enhancements, and future improvements
- Support Pre-Sales
- Assist the sales and business development teams with technical expertise during customer engagements
- Collaborate with solution architects to ensure proposed solutions align with customer needs and technical feasibility.
Qualifications
- Product Knowledge (any of the 3 listed below)
- Microsoft XDR stack
- CrowdStrike Falcon platform
- Microsoft Sentinel or CrowdStrike NG SIEM
- Any other SIEM (Splunk, qRadar)
- Any other EDR
- Azure, AWS or GCP clouds
- EntraID, ActiveDirectory, other identity providers
- Any SOAR or Service management systems (Jira)
- Core Qualifications
- Certificates related to the above mentioned products
- Architecture design, sizing, installation, configuration, management and support of at least 3 of the above mentioned products
- Experience with the above mentioned products in a sizable environment – above 1000 endpoints\users·
- Strong client-facing experience with clear communication, timely reporting and proactive issue resolution.
- Proactively identifies and suggests improvements based on personal observations.
- Experienced in working under strict timelines and meeting SLAs.
Why Join Us?
At THEOS Cyber, we believe that people are at the core of what we do. We are building one of the top cybersecurity firms in Asia by working with some of the best in the industry—or those who are driven to become the best. We work hard to create an environment where experts thrive, challenges drive growth, and work is genuinely enjoyable.
What you can expect:
- A flexible, remote work set-up
- Professional growth and career development
- Trainings & Certifications.
- High-end laptop
- Top-notch medical benefits
- Work with top teams, experts and executives
- Supportive work culture
If you’re looking for a role to hone and apply your skills as a security professional, this might be a role for you.
About Your Application
- Answers to the screening questions matter a lot!
- If you do not specify a desired pay and date available, your application will be disregarded.
- No visa or relocation is provided for this role.