Are you ready to make an impact?
Critical Start delivers human-driven threat detection and response to prevent business disruption and stop breaches. Ready to join us?
Join our Critical Crew!
We are growing rapidly and seeking exceptional talent like you. We’re committed to empowering our employees and fostering an environment of continuous learning and collaboration. We embrace diversity across all dimensions – racial, ethnic, gender, and individual differences – creating an environment where everyone can thrive. Our success is built on three core principles that guide everything we do:
Do what’s best for our customers.
Do what’s best for our employees.
Don’t do things that suck.
Don’t believe us? Hear from our team members about why they like working at Critical Start.
Scott White
Chief Executive Officer
Working at Critical Start
Critical Start offers a professional environment where our work directly prevents business disruption and stops breaches for our customers. While our mission is serious, our culture is vibrant and engaging. We support flexible work arrangements including in-office, remote, and hybrid options. Our HQ in Plano, TX features collaborative spaces, wellness facilities, and recreational areas for team building and relaxation. We’re expanding globally with offices in Lehi, UT and Pune, India!
Who we are
Critical Start is elevating managed detection and response through human-driven expertise and complete signal coverage. We’re seeking talented individuals who share our commitment to stopping business disruption and preventing breaches. In our fast-paced environment, we prioritize our employees’ success through collaboration, flexibility, and fairness. We proudly provide accommodations for team members with disabilities and maintain our commitment to fostering an inclusive culture where everyone belongs.
Critical Culture
Our culture is built on excellence in cyber defense and creating meaningful impact for our customers.
We foster an environment that encourages collaboration, innovation, and personal growth, enabling all team members to thrive.
Through our Employee Resource Groups, Culture Squad, and Buddy Program, we create an inclusive community where everyone belongs.
Join us in elevating the standard for cybersecurity!
Irfahn Khimji
Managing Director, Canada
Suhail Rahmetulla
Principal Operations Engineer
Want to hear what it’s like to be a part of our team? Listen to what our other Critical Crew Members have to say!
Work at one of the best places to work
Critical Start continues to be recognized as one of Dallas-Fort Worth’s top workplaces. We ranked 11th among Midsize Companies in The Dallas Morning News’ Top 100 Places to Work for 2022, where excellence is measured across leadership, compensation, training, workplace flexibility, and diversity. We’re also proud to be consistently recognized by Built In, earning spots on their Best Places to Work lists for three consecutive years (2023-2025).
These accolades reflect our ongoing commitment to creating an exceptional workplace where our employees thrive. Ready to join a workplace that values its people? Apply to become part of our Critical Crew today!
Benefits of working for Critical Start
Make a Difference
You will have a direct opportunity to drive significant shareholder, customer and employee value.
Learn New Skills
Enjoy a constant stream of new technologies—and new ideas—to learn and master.
Make an Impact
The work you’ll do will directly impact the experience of our customers and the industry as a whole.
Great Work Culture
Join an open, supportive and collaborative work environment.
Career Mentorship Program
Professional development is a high priority of Critical Start’s Executives. The Career Mentorship Program is a 6-month program dedicating at least 1 hour per month toward mentor career development.
What is mentorship?
- Planned, ongoing and developing process facilitating improved performance and skills based on shared experiences
- Exclusive, one-to-one, confidential and collaborative relationship designed to further the development and achievement
- Introduces an independent and objective source of help outside of a direct managerial or supervisory relationship
How will employees be paired with a mentor?
Talent Management and HR will match mentee and mentor based on:
- Developmental goals and needs
- Aspirational experience
- Time or location difference
What will mentees receive?
- Support from an experienced colleague who can provide invaluable guidance in your career
- A guide and FAQs on structuring the mentoring process
- Individual Professional Development Plan Template
Meet some of the Critical Start team
Priyanka Sharma
Software Engineer II
EDUCATION
BS (H) in Computer Science | Delhi University
Post Graduate Diploma in Information Security | IGNOU
MS in Computer Science | California State University, Fullerton
EXPERIENCE
Before becoming a back-end developer at Critical Start, I worked several roles as a Student Assistant, Graduate Research Assistant and as an intern in different fields.
RESPONSIBILITIES
Developing software solutions, features, and enhancements for our MDR platform. Monitoring
production environment, troubleshooting production issues, improving Azure Sentinel detections through detection engineering, product integration, reporting.
GOALS
Gain knowledge and use it to make meaningful contributions towards better cybersecurity platforms.
Jonathan Seawright
Principal Engineer
EDUCATION
BS in Electrical Engineering, UT Dallas
EXPERIENCE
8+ years as a software engineer and site reliability engineer
RESPONSIBILITIES
Developing software solutions, features, and enhancements for our MDR platform. Monitoring
Build and operate ZTAP, our product which supports the MDR business. Own delivery of my code and features all the way to production. Participate in outage remediation and root-cause-analysis activities.
MOTIVATION
Currently studying for the OSCP exam to broaden my security knowledge
CHALLENGES
• New systems and components I have to familiarize myself with • Growing pains since the company is growing very quickly
Marshall Mechler
Sr. Customer Success Manager
EDUCATION
Graduated High School in 2016
EXPERIENCE
5 years in customer service in the Retail and Entertainment industries | 2 years at Critical Start.
RESPONSIBILITIES
Manage MDR customers from onboarding through each renewal period | Build and maintain relationships with each customer, their teams and different partners in the account
GOALS
• Get customers to a solid state within their security posture by engaging all resources within Critical Start to make that happen • Help people, learn new skills and find solutions to unique problems
CHALLENGES
• Without a security or IT background, there was a bit of a learning curve, but there is no better place to learn than Critical Start.
How would you describe your work style?
Critical Start has upgraded our hiring process. We now use the Predictive Index (PI) to identify how you work. Through PI, we learn how you like to communicate and collaborate so we can build a team that’s more fun and more effective.
Critical Start Transparency
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This rating is based on unaltered and unedited reviews of Critical Start employees.