McKinney, TX

Cybersecurity Jobs in McKinney, TX

2 jobs found

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1mo ago

Email Hygiene Analyst – Cybersecurity

SRS Distribution - McKinney McKinney, TX

McKinney, TX

1mo ago Closed

$77k - $102k/yr Full time Cybersecurity Tools Data Security Email Hygiene

This position is no longer accepting applications (closed Sep 5, 2026).

Job Description

Protect the organization’s email environment by monitoring, analyzing, and responding to email-based threats in an onsite role in McKinney, TX.

Responsibilities

Monitor email security platforms, including alerts, quarantines, abuse mailboxes, and user-reported phishing submissions
Investigate suspected phishing, business email compromise, malware, spam, impersonation, and account takeover activity
Assess email headers and evaluate sender reputation, authentication results, URLs, attachments, domains, and message content to determine risk
Search for and remediate malicious messages across affected user mailboxes
Block malicious senders, domains, URLs, attachments, and other indicators of compromise
Administer and tune Proofpoint, Abnormal Security, and related email protection policies to improve detection and reduce false positives
Review quarantined messages and decide whether to release, block, or escalate
Handle investigations for user-reported phishing messages and provide timely disposition and feedback
Support phishing simulations, security awareness initiatives, and targeted education for users impacted by email threats
Monitor SPF, DKIM, DMARC, and other email authentication controls to identify spoofing risks and configuration issues
Assist with investigations involving compromised accounts, suspicious forwarding rules, unusual mailbox activity, and unauthorized email access
Coordinate with the Security Operations Center, Identity and Access Management, Incident Response, Microsoft 365, Legal, Human Resources, and other business teams during investigations
Document investigation findings, remediation actions, recurring attack patterns, and lessons learned
Create and maintain standard operating procedures, response playbooks, block lists, allow lists, and email security documentation
Track email security metrics such as message volume, blocked threats, phishing activity, user reporting rates, false positives, remediation actions, and emerging attack trends
Identify opportunities to automate repetitive investigation, containment, and reporting activities
Support email security projects, platform upgrades, policy changes, mergers and acquisitions, and onboarding of new domains or business units
Stay current on emerging email attack techniques and recommend improvements to strengthen the organization’s email security posture

Requirements

Experience administering and tuning email security technologies, including Proofpoint and Abnormal Security
Ability to analyze email headers and evaluate sender reputation, authentication results, URLs, attachments, domains, and message content
Familiarity with email authentication controls including SPF, DKIM, and DMARC
Knowledge of threat investigation workflows involving phishing, business email compromise, impersonation, malware, spam, and account takeover activity
Ability to coordinate across Security Operations Center, Identity and Access Management, Incident Response, Microsoft 365, Legal, Human Resources, and other business teams

Technologies

Proofpoint
Abnormal Security
Microsoft 365
SPF
DKIM
DMARC

Benefits

Competitive weekly/bi-weekly pay and discretionary bonuses
401(k) with company match
Employee Stock Purchase Plan
Paid time off (vacation, sick, volunteer, holidays, birthday, floating)
Medical, dental, and vision insurance
Flexible spending accounts
Company-paid life and short-term disability
Optional long-term disability and additional life insurance

Direct Reports

0 Direct Reports

Travel Requirements

No travel required

Physical Requirements

Most of the time is spent sitting in a comfortable position
Frequent opportunity to move about
On rare occasions, may need to move or lift light articles

Job Location

SRS Distribution - McKinney
7440 State Highway 121, McKinney, TX 75070-3104

Salary: USD 77,400 - 102,400 per year

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1mo ago

Cybersecurity Director - AI Trainer

DataAnnotation McKinney, TX 🇺🇸 Remote

McKinney, TX

1mo ago Closed

$50 - $100/hr Contract Manager Adversarial Ai Ai Security

This position is no longer accepting applications (closed Aug 26, 2026).

Job Description

DataAnnotation offers a contract based Cybersecurity Director - AI Trainer role that focuses on evaluating AI generated cybersecurity content, designing security focused problems, and delivering feedback to improve AI security models. This is a fully remote position with flexible scheduling and the option to work part time or as a primary focus. Location: McKinney, TX (remote).

Benefits

Fully remote: work from anywhere in the US, Canada, UK, Ireland, Australia, and New Zealand.
Flexible schedule: choose which projects you take on and when you work, on your own computer, from home.
Competitive pay: projects are paid hourly at $50 to $100 USD per hour, with opportunities for higher bonus rates on select projects.
Impact: help shape the future of AI technologies built for cybersecurity.

Note: Payment is via PayPal. We will never ask for money from you. This role is only available to candidates in the US, Canada, UK, Ireland, Australia, and New Zealand.

Responsibilities

Evaluate AI generated cybersecurity content including threat analysis, vulnerability assessments, and offensive security techniques for real world accuracy and validity.
Design and solve security focused technical problems used to train AI systems.
Write clear technical explanations and security relevant code.
Provide feedback that directly shapes the next generation of AI security models.

Requirements

2+ years of hands-on experience in a cybersecurity role such as penetration testing, red teaming, incident response, detection engineering, DFIR, malware analysis, threat intelligence, or adjacent fields, including government or military cyber operations.
Some coding experience required; comfort navigating and patching a codebase is key.
Fluency in English (native or bilingual level) with strong writing skills.
A bachelor's degree is preferred.
Cybersecurity certifications are a plus (e.g., OSCP, CRTO, GREM, GCFA, CEH, and similar).

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Cybersecurity Jobs in McKinney, TX

Email Hygiene Analyst – Cybersecurity

Cybersecurity Director - AI Trainer

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