Operating System security jobs

Senior Manager, Infrastructure Security

Simpson Thacher & Bartlett LLP · Posted Jul 30, 2026

Open

New York, New York, United States
Hybrid
Full-time · Manager
$190K–$220K per year

Senior Manager, Infrastructure Security

Simpson Thacher & Bartlett LLP · Posted Jul 30, 2026

Open

New York, New York, United States
Hybrid
Full-time · Manager
$190K–$220K per year

Instructor - Computer Information Technology - Cyber Defense

Tennessee Board of Regents · Posted Nov 5, 2026

Open

Chattanooga, Tennessee, United States
$42K–$51K per year

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Provide classroom and lab instruction in Cyber Security/Cyber Defense at Chattanooga State campus.

Compensation

Instructor Salary Range: $41,763 - $51,154

Responsibilities

Deliver instruction in network security, operating system security, cybersecurity fundamentals, threat identification, vulnerability assessment, risk management, ethical hacking, penetration testing, security monitoring, incident response, digital forensics, access control, authentication, identity management, security policies, procedures, and industry best practices

Requirements

Bachelor’s degree in Cybersecurity, Cyber Defense, Information Security, Information Technology, Computer Science, Computer Information Systems, or a closely related field

Skills

cybersecurity network security operating system security vulnerability assessment penetration testing digital forensics

Security Operations Engineer

Daxko · Posted Nov 5, 2026

Open

Birmingham, Alabama, United States
Hybrid
Full-time
3+ years

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Security Operations Engineer responsible for protecting networks, building automation, and ensuring compliance across production and non-production environments.

Responsibilities

Implement and monitor security measures that protect systems, networks, and data
Define security requirements and maintain SOPs and policies
Build technical solutions with security tools to close vulnerabilities and automate work
Deploy, configure, and troubleshoot security software and hardware
Monitor networks and systems for intrusions and investigate incidents

Requirements

Bachelor’s degree in Computer Science, Information Technology, Cybersecurity, or related field
Nice to have: 5+ years of experience in information security
Nice to have: certifications such as CISSP, CISM, CEH
Nice to have: experience in payment card or financial industries

Skills

firewalls intrusion detection anti-virus authentication log management

Lead IT Network Security Engineer

CenterPoint Energy · Posted Nov 2, 2026

Open

Houston, Texas, United States
Full-time
Competitive pay
5+ years

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Provide technical and team leadership to strengthen the security of CNP’s network infrastructure and web applications.

Responsibilities

Provide technical leadership and subject-matter expertise for network security and web application security across CNP environments.
Design, implement, maintain, and troubleshoot security controls protecting network infrastructure, applications, and internet-facing services.
Develop and maintain firewall, WAF, threat prevention, URL filtering, remote access, and application security policies.
Protect web applications from common application-layer threats, automated attacks, malicious bots, and abuse.
Manage and support enterprise security technologies such as Next Gen firewalls, Prisma Client VPNs, and Web Application Firewall (WAF).

Requirements

Bachelor’s degree in Cybersecurity, Computer Science, Information Technology, or related field.
Nice to have: CISSP or other relevant security certifications
Nice to have: Knowledge of SOX, HIPAA and NERC regulations

Skills

Next Gen Firewalls Web Application Firewalls Network security

Senior Manager, Infrastructure Security

Senior Manager, Infrastructure Security

Compensation

Responsibilities

Requirements

Skills

Instructor - Computer Information Technology - Cyber Defense

Compensation

Responsibilities

Requirements

Skills

Security Operations Engineer

Responsibilities

Requirements

Skills

Lead IT Network Security Engineer

Responsibilities

Requirements

Skills

Benefits

Benefits