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Denton • 50 milesRemote · Hybrid · Onsite · Field · All Environments

Denton • 50 milesRemote · Hybrid · Onsite · Field · All Environments

Denton • 50 milesRemote · Hybrid · Onsite · Field · All Environments

Denton • 50 milesRemote · Hybrid · Onsite · Field · All Environments

16 nessus jobs at 12 companies in Denton, TX

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1mo

Expert Penetration Tester

Dallas or Austin

$120k-$224k/yr HybridFull Time

IBM

IBMNew York Stock Exchange: IBM: Global technology providing enterprise software, cloud, and consulting.

Pass penetration testing skills evaluation; OSCP or higher required; experience testing OS, web apps, containers and network infrastructure; familiarity with NMap, Nessus, Metasploit, BurpSuite, Nikto, Tcpdump; programming in C/C++/Java/C# and ability to document findings.

NMap, Nessus, Metasploit, BurpSuite, Nikto, Tcpdump, LLMs, Unix, Windows, C, C++, Java, C#, SQL

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2mo

Security Operations Engineer

Coppell or Dallas or Tel Aviv

OnsiteFull Time

Island

Island: Secure enterprise browser for managed, protected work environments.

1+ YOE1–3 years security operations experience; hands-on familiarity with vulnerability scanners (Burp Suite, Nessus, Sysdig); basic AWS and container knowledge; FedRAMP/NIST exposure preferred; scripting (Python/Bash) a plus; US citizenship and onsite work in Coppell, TX required.

Burp Suite, Nessus, Sysdig, Wiz, eMASS, Jira, Python, Bash, Slack, Zoom, AWS, Kubernetes, Docker, Chainguard, FedRAMP, NIST 800-53

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IT Sys Admin, Staff / Top Secret / Onsite: TX or CA

Fort Worth or Palmdale

$105k-$208k/yr OnsiteFull Time

Lockheed Martin

Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.

Active Top Secret clearance, experience with air-gapped networks, Windows and Red Hat Linux administration, RMF/STIG implementation, vulnerability remediation (Nessus, McAfee, Shavlik, SCAP), DoD 8570 IAT II/III certification, ability to rack/cable and lift 30 lbs.

Windows 10, Windows 11, Server 2016, Server 2019, Server 2022, Red Hat Linux, RMF, STIG, Nessus, McAfee, Shavlik, SCAP, VMware, Horizon, vSphere, vCenter, vCloud, vRealize, NSX, vSAN, VXRail, NetApp, EMC, TCP/IP, DNS, DHCP, LDAP

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Vulnerability Management Intern

Frisco, Texas, United States

$20/hr HybridFull Time, Internship

McAfee

McAfee: Provides cybersecurity and privacy protection software for consumers.

Currently enrolled undergraduate (junior/senior) or graduate student; available for full summer internship (Jun 22–Aug 14, 2026); basic knowledge of vulnerability concepts, CIA triad, cloud fundamentals (AWS, GCP), Windows/Linux, networking protocols, and common vulnerabilities; exposure to Qualys/Rapid7/Nessus and basic Python/Bash a plus; must be...

Confluence, AWS, GCP, Python, Bash, Qualys, Rapid7, Nessus, CVSS, OWASP Top10, Windows, Linux, TCP/IP, DNS, HTTPS

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3w

Cybersecurity Analyst III

Plano, Texas, United States

OnsiteFull Time

Upbound Group

Upbound GroupNASDAQ: UPBD: Provides consumer lease-to-own and digital financial technology solutions.

5+ YOE5+ years in cybersecurity operations with 3+ years in vulnerability management; hands-on with enterprise scanners, ITSM integration, risk-based prioritization, KPI reporting, and incident response support.

Tenable, Nessus, Tenable.io, Tenable.sc, Qualys, Rapid7 InsightVM, ServiceNow, Jira, AWS, Azure, SIEM, MITRE ATT&CK, Microsoft Defender, SOAR, CVSS, EPSS, CISA KEV

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Business Process Red Team Operator

Ohio or Columbus or Wilmington or New York or Plano or Jersey City

OnsiteFull Time

JPMorgan Chase

JPMorgan ChaseNYSE: JPM: Global financial services firm providing banking and investment solutions.

5+ YOE5+ years in cybersecurity or resiliency; experience with offensive security, social engineering, penetration testing, business-process assessments; knowledge of networking, OSes, attack methodologies, assessment frameworks (OWASP/NIST); strong communication and report-writing.

OWASP Top Ten, NIST Cybersecurity Framework, Cobalt Strike, Metasploit, Nmap, Nessus, Burp Suite, Ruby, Python, Perl, C, C++, C#, Java, IDS/IPS, DLP, web proxies, firewalls

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Lead, Cyber Security Engineer

Irving, Texas, United States

HybridFull Time

W.W. Williams

W.W. Williams: Sells and services industrial power products and commercial vehicles.

8+ YOE8+ years enterprise cyber security experience; build/mature security programs to NIST CSF; hands-on with EDR/MDR, SIEM, vulnerability scanning, cloud security, KnowBe4; strong communication and incident response skills.

NIST 800-53, CIS Controls, MITRE ATT&CK, KnowBe4, Field Effect Covalence, CrowdStrike Falcon, SentinelOne, Microsoft Defender XDR, Microsoft Sentinel, Splunk, Tenable Nessus, Tenable SecurityCenter, Qualys, Rapid7 InsightVM, Microsoft Azure, AWS, GCP, Active Directory, Azure AD, Entra ID, DMARC, DKIM, SPF, CyberArk, BeyondTrust, Delinea, Python, PowerShell, KQL, Microsoft Defender 365

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Principal Linux System Administrator

McKinney, Texas, United States

$87k-$165k/yr OnsiteFull Time

RTX

RTXNYSE: RTX: Provides advanced aerospace and defense systems and services.

5+ YOEActive in-scope DoD Secret clearance and U.S. citizenship required; typically requires a bachelor’s and 5 years' relevant experience; Linux and Windows administration experience; AD/VMware/system hardening/disaster recovery experience; CompTIA Security+ CE or equivalent within 6 months.

RedHat Linux, Windows, Active Directory, VMware, LDAP, SCAP, Nessus, Splunk, Symantec

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2w

Network & Security Engineer

Dallas, Texas, United States

FieldFull Time

Citadel Aviation

Citadel Aviation: Provides aircraft interior completions and maintenance services.

5+ YOE5+ years enterprise network and security experience; hands-on with next-gen firewalls, switching, wireless, endpoint and identity security; experience with SOC/MDR and vulnerability management; bachelor\u0002s degree or equivalent.

Palo Alto, Cisco, Meraki, Microsoft 365, Entra ID, Microsoft Defender for Endpoint, Intune, Tenable Nessus, Tenable, KnowBe4, SD-WAN

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Systems Engineer ~ Onsite in Grand Prairie, TX- Clearance Required

Grand Prairie, Texas, United States

OnsiteFull Time

Lockheed Martin

Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.

Senior classified information system administrator for system configuration, cyber security, IT compliance, system integration, vulnerability remediation, and DISA STIG application. Requires active Interim Secret clearance and Security+/IAT certification.

Active Directory, NIS, Windows 10, Windows 11, Windows Server 2019, Windows Server 2022, Linux, Nessus, DISA STIGs, ePo, Ivanti, Splunk, NetApp

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3w

Cybersecurity Analyst III

Plano, Texas, United States

OnsiteFull Time

Upbound Group

Upbound GroupNASDAQ: UPBD: Technology-driven provider of inclusive, flexible financial and retail solutions.

5+ YOE5+ years in cybersecurity operations with 3+ years owning enterprise vulnerability management; hands-on experience with Tenable/Qualys/Rapid7, ServiceNow/Jira, cloud security (AWS/Azure), SIEM, and risk-based prioritization; strong communication and incident response support.

Tenable, Nessus, Tenable.io, Tenable.sc, Qualys, Rapid7 InsightVM, Rapid7, ServiceNow, Jira, AWS, Azure, SIEM, SOAR, Microsoft Defender suite, CVSS, EPSS, CISA KEV, MITRE ATT&CK

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Engagement Manager, IT Strategy, Cyber

Chicago or Irving or New York City or Georgia or United States

$168k-$199k/yr HybridFull Time

Gartner

GartnerNYSE: IT: Provides research and advisory services for business leaders.

5+ YOEBachelor's degree in a technical or related field, 5+ years of progressive cybersecurity experience with security architecture/governance/operations, hands-on cloud security (AWS/Azure/Google Cloud), SIEM and vulnerability management experience, and strong consulting and communication skills.

AWS, Microsoft Azure, Google Cloud, AWS Security Hub, Microsoft Azure Security Center, Microsoft Azure Policy, Microsoft Defender for Cloud, Cloud Security Command Center, Chronicle, Terraform, Ansible, CloudFormation, Splunk, Elastic Stack, Qualys, Tenable, Nessus, NIST CSF, ISO 27001, COBIT, GDPR, HIPAA, CMMC, SIEM, Identity and Access Management (IAM), SSO, MFA, PAM, AI, machine learning, IoT, blockchain

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4w

Information Security Manager (ISM) - Remote US

Irving, Texas, United States

$116k-$226k/yr RemoteFull Time

NTT DATA

NTT DATA: Global provider of IT and business consulting services.

8+ YOE8+ years in information security with 5+ years managing vulnerability or threat programs; experience with enterprise environments, remediation coordination, security frameworks (NIST, ISO 27001, PCI, SOX), and stakeholder engagement.

Tenable/Nessus, Qualys, Rapid7 InsightVM, Microsoft Defender Vulnerability Management, Azure, AWS, Google Cloud, ServiceNow, Archer, Jira

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Vulnerability Management Analyst- Hybrid in Dallas, TX

Dallas, Texas, United States

$106k-$149k/yr HybridFull Time

NTT DATA

NTT DATA: Global provider of IT and business consulting services.

5+ YOE5+ years vulnerability management or information security experience; manage asset inventory and remediation coordination; support governance and audits; vendor coordination and vulnerability lifecycle tracking.

Tenable Nessus, Tenable Security Center, Qualys VMDR, Rapid7 InsightVM, Microsoft Defender Vulnerability Management, Windows Server, RHEL, Ubuntu, CentOS, Active Directory, VMware, Azure, AWS

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2w

Cloud Security Engineering Manager

Malvern or Charlotte or Dallas or Fort Worth

HybridFull Time

Vanguard

Vanguard: Provides mutual funds, ETFs, and investment management services.

5+ YOE5+ years cloud security or cloud engineering experience, undergraduate degree or equivalent, leadership and team management, experience with AWS/Azure/GCP, CI/CD, strong communication and analytical skills.

AWS, Azure, GCP, CNAPP, CSPM, CI/CD, Claude Code, Codex, Aqua, Palo Alto Prisma, Wiz, CrowdStrike, Tenable Nessus, Qualys, Kubernetes, Brinqa, Kenna, Vulcan, Dazz, Avalor

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Cyber Security Engineer-68258

Dallas, Texas, United States

OnsiteFull Time

Hitachi

HitachiTokyo Stock Exchange: 6501: Global provider of digital systems and social infrastructure solutions.

2+ YOE2+ years cybersecurity experience; deploy, configure, and maintain endpoint, network, cloud, identity, SIEM/SOAR, and vulnerability management tools; scripting/automation with PowerShell or Python; strong communication and documentation skills.

Microsoft Defender, CrowdStrike, SentinelOne, Cortex XDR, Tenable, Nessus, Qualys, Rapid7, Microsoft Sentinel, Splunk, QRadar, XSOAR, Entra ID (Azure AD), Okta, Azure, AWS, GCP, PowerShell, Python, APIs, Microsoft Security Copilot

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