Cybersecurity Analyst III (Hybrid)

Summary

As a Cyber Security Analyst III, you will serve as a subject matter expert in threat detection, incident response, and security architecture. You will help drive the adoption of the NIST CSF 2.0 framework, research and recommend new tools, lead investigations, and serve as a technical mentor to the cybersecurity team.

This is a hybrid position that will work 3 days in-office in the Galleria area of Houston.

Essential Job Functions

• Lead advanced incident investigations and root cause analysis using tools such as Sentinel One and Darktrace.


• Drive vulnerability management in collaboration with the IT team.


• Design and optimize security monitoring strategies across email, endpoints, and network environments.


• Collaborate on Meraki firewalls, IDS/IPS, and endpoint systems.


• Develop risk mitigation plans and guide business units on secure practices aligned with NIST CSF 2.0.


• Collaborate with IT and executive leadership to drive cybersecurity initiatives and improvements.


• Oversee threat hunting, log analysis, and proactive identification of security weaknesses.


• Participate in tabletop exercises, audit preparations, and strategic security planning.


• Mentor junior and mid-level analysts and support career development planning.

Qualifications & Requirements

• Bachelor’s degree required; BS in Information Security, Computer Engineering, or IT-related field preferred.


• 5+ years of progressive cybersecurity experience.


• Expert-level experience with Microsoft 365 and Entra Security stack, Sentinel One, Darktrace, Meraki, and IDS/IPS platforms.


• Strong experience with Google Workspace


• Familiarity with SecurityStudio


• Able to conduct internal security control audits


• Familiar with vulnerability management tools such as Tenable and Qualys.


• Familiar with KnowBe4


• Strong experience implementing and operationalizing NIST CSF 2.0.


• Proven incident response and security operations expertise.


• Strong leadership, communication, and project management skills.


• CISSP required. Other relevant certifications (CISM, GCIH, C|EH, other vendor specific certifications) are a plus.

Physical Demands

The physical requirements outlined are essential for performing the core duties of this role.

• Primary responsibilities involve regular speaking, listening, standing, walking, using hands to handle or feel objects, and reaching with arms.


• Occasionally, the role may require sitting, climbing, balancing, stooping, kneeling, crouching, or crawling. Employees must be able to frequently lift and move objects weighing up to 10 pounds and occasionally up to 40 pounds.


• Vision requirements include the ability to focus at close and long distances, distinguish colors, maintain peripheral awareness, perceive depth, and make precise focus adjustments.

EEO Statement

PosiGen is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, ancestry, marital status, age, physical or mental disability, or status as a protected veteran. We also consider for employment qualified applicants with arrest and conviction records, consistent with applicable laws. If reasonable accommodation is needed to participate in the job application, interview process, or onboarding, please reach out to [email protected] or [email protected] to request an accommodation.

Base Salary

$100,000—$120,000 USD