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46 senior cybersecurity engineer jobs at 20 companies in San Antonio, TX

1d
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Senior Cybersecurity Engineer
Seattle or San Antonio or Oklahoma City or Bedford or Japan
$160k-$180k/yr RemoteFull Time
Astrion
Astrion: Provides engineering, cybersecurity, and mission support services.
12+ YOEActive Top Secret clearance and U.S. citizenship required. Requires a related bachelor's degree plus 12 years' experience, including DoD experience, or 15 years' directly related experience.
Risk Management Framework (RMF), Assessment & Authorization (A&A), Authority to Operate (ATO), Public Key Infrastructure (PKI), Cross Domain Solutions (CDS), Lab Authority to Connect (ATC), DevSecOps, DevOps, CI/CD, Microsoft Office Suite, Microsoft SharePoint, System Security Plans (SSPs), Program Protection Plans (PPPs), OPSEC Plans, DISA Security Technical Implementation Guide (STIG)
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1d
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Cybersecurity Engineer SME
JBSA Lackland AFB, Texas, United States
$160k-$200k/yr OnsiteFull Time
GovCIO
GovCIO: Provides technology and mission support services to federal agencies.
10+ YOE10+ years in cybersecurity engineering or related disciplines, including 5+ years supporting DoD or Intelligence Community programs. Requires Top Secret/SCI clearance, DOD 8140 IAT III certification, and automation experience.
eMASS, Xacta, NIST RMF, DoD RMF, Python, PowerShell, REST APIs, JSON, XML, Git, CI/CD, OSCAL, ServiceNow, Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), Natural Language Processing (NLP)
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1w
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Cybersecurity Architect/Engineer
San Antonio or Chantilly
OnsiteFull Time
AnaVation
AnaVation: Providing technical engineering and cybersecurity solutions for federal agencies.
9+ YOERequires U.S. citizenship, TS/SCI clearance, CI polygraph, bachelor's degree, cybersecurity certification, and 9+ years in DoD cybersecurity or cloud security, including RMF, ATO, cATO, DevSecOps, Kubernetes, and AWS.
AWS, Kubernetes, OpenShift, Infrastructure as Code (IaC), SAFe, DevSecOps, Risk Management Framework (RMF), Authority to Operate (ATO), Continuous Authority to Operate (cATO), Zero Trust, Body of Evidence (BOE), Security Technical Implementation Guides (STIG), NIST SP 800-53, Terraform, Helm, GitOps, Kustomize, Iron Bank
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5d
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Cybersecurity PKI Engineer
Fort Meade or Mechanicsburg or Oklahoma City or San Antonio or Ford Island or Scott Air Force Base or Hill Air Force Base
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
5+ YOERequires 5+ years of PKI cybersecurity, 3+ years of Active Directory Certificate Services, Secret clearance, high school diploma or GED, certificate authority and lifecycle management experience.
Active Directory Certificate Services, Linux, Keyfactor, Venafi, ACME, SCEP
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6d
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Senior Cybersecurity
Seattle or San Antonio or Oklahoma City or Bedford or Japan
RemoteFull Time
Odyssey Systems
Odyssey Systems: Provides engineering, integration, and technical services to defense clients.
12+ YOEActive Top Secret clearance and U.S. citizenship required. Preferred: bachelor's degree plus 12 years' related experience, including 5 DoD years, or 15 years' related experience, including 8 DoD years.
Risk Management Framework (RMF), Assessment & Authorization (A&A), Authority to Operate (ATO), Public Key Infrastructure (PKI), Cross Domain Solutions (CDS), Lab Authority to Connect (ATC), DevSecOps, DevOps, CI/CD, Microsoft Office Suite, Microsoft SharePoint
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1w
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Senior Cybersecurity Engineer, GRC Automation and Continuous Control Monitoring
San Antonio or Houston or Findlay
OnsiteFull Time
Marathon Petroleum
Marathon PetroleumNYSE: MPC: Refines and markets petroleum products and renewable fuels.
5+ YOEBachelor's degree in information technology or equivalent experience, 5+ years relevant experience, GRC/CCM automation expertise, Python or comparable automation, REST API integrations, and cybersecurity risk knowledge.
Python, REST API, Azure AI Foundry, GitHub, NIST AI RMF, OWASP LLM Top 10, SIEM, XDR, CNAPP, CSPM, CTEM, VM, ASPM, DSPM, ITSM, IAM, GRC, CCM
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1mo
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Senior Cybersecurity Research Scientist
San Antonio, Texas, United States
OnsiteFull Time
Maximus
MaximusNYSE: MMS: Provides government health and human services program administration.
7+ YOEActive TS/SCI clearance, MS in computer science or related field, 7+ years cybersecurity research experience, peer-reviewed publications, reverse engineering and malware analysis expertise.
Ghidra, IDA Pro, Binary Ninja
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1w
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Cyber Security Engineer, Senior - TIS
Canyon Lake, Texas, United States
RemoteFull Time
Semper Valens Solutions
Semper Valens Solutions: Provides systems engineering, software development, and technical support services.
10+ YOEMaster's degree in computer science, electronics engineering, or a related technical discipline, plus 10 years of relevant experience; extensive cybersecurity experience and ability to obtain Public Trust clearance.
Public Key Infrastructure (PKI)
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2d
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Staff Cyber Systems Engineer (S)
Annapolis Junction or Roy or San Antonio or Redondo Beach or Huntsville or San Diego or Colorado Springs
$195k-$292k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
12+ YOERequires 12 years with a bachelor's, 10 with a master's, 8 with a PhD, or 18 in lieu of a degree; NIST 800-160, RMF, Secret clearance, CISSP, cybersecurity systems engineering, and DevSecOps experience.
NIST 800-160, DOORS, CAMEO, SonarQube, Fortify, DevSecOps, Agile
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1w
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CUCM Engineer
San Antonio, Texas, United States
$78k-$176k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
5+ YOERequires 5+ years with CUCM and VoIP/IP telephony, 3+ years with Cisco collaboration applications and voice/video endpoints, TS/SCI clearance, HS diploma/GED, and DoD 8140 cybersecurity certification.
Cisco Unified Communications Manager (CUCM), Voice over IP (VoIP), Session Initiation Protocol (SIP), Cisco Meeting Server (CMS), Cisco Jabber, Webex, Microsoft Teams, Cisco IM and Presence, Video Teleconferencing (VTC), RTP, QoS, VMware vSphere, ESXi, Cisco Unity Connection, Cisco Expressway, Cisco Unified Border Element (CUBE), Session Border Controllers (SBCs)
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1mo
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Staff Cyber Systems Engineer
Annapolis Junction or Roy or San Antonio or Redondo Beach or Huntsville or San Diego or Colorado Springs
$195k-$292k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
8+ YOEExperience implementing cybersecurity within systems engineering (NIST SP 800-160), RMF documentation, DoD 8570 certification (IASAE II/CISSP) with ability to obtain IASAE III, active Secret clearance required; advanced degree plus years of experience or extensive experience in lieu of degree.
DOORS, CAMEO, SonarQube, Fortify, DevSecOps
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1d
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Lead Security Engineer | AirStrip
Dallas or El Segundo or San Antonio
$120k-$166k/yr OnsiteFull Time
NantHealth: Providing software for clinical decision support and patient surveillance.
8+ YOERequires 8+ years in IT, 5+ years in cybersecurity, cloud security expertise, incident response, threat hunting, security monitoring, IAM, compliance frameworks, and a related bachelor's degree preferred.
AWS, Azure, Identity and Access Management (IAM), SIEM, LogRhythm, Splunk, MITRE ATT&CK Framework, ITIL, Zero Trust, ISO 27001, NIST, HIPAA, HITRUST
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4d
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Unified Communications Engineer
San Antonio, Texas, United States
OnsiteFull Time
High Side Technology
High Side Technology: Provides engineering and technical services for national security missions.
5+ YOERequires 5+ years with CUCM and VoIP/IP telephony, 3+ years with Cisco collaboration applications and voice/video endpoints, active TS/SCI clearance, high school diploma/GED, and DoD 8140 cybersecurity certification.
Cisco Unified Communications Manager (CUCM), Voice over IP (VoIP), Session Initiation Protocol (SIP), Cisco Meeting Server (CMS), Cisco Jabber, Webex, Microsoft Teams, Cisco IM & Presence, Video Teleconferencing (VTC), Real-time Transport Protocol (RTP), Quality of Service (QoS), Cisco Unity Connection, Cisco Expressway, Cisco Unified Border Element (CUBE), Session Border Controllers (SBCs), VMware vSphere, VMware ESXi, CompTIA Security+ CE
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1mo
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Lead Cloud Security Engineer
San Antonio, Texas, United States
HybridFull Time
IPSecure
IPSecure: Provides cybersecurity and incident response services for government agencies.
8+ YOE8+ years in cybersecurity engineering/security architecture, active Secret clearance, cloud security certification (AWS Security Specialty or CCSP), experience with F5 BIG-IP and enterprise security monitoring, strong risk management and communication skills.
F5 BIG-IP, SIEM, SOAR, RMF, NIST 800-53, DISA STIGs
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4w
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Sales Engineer
Washington or Tampa or San Antonio or Colorado Springs or Norfolk
HybridFull Time
Lastwall
Lastwall: Provides identity-centric cybersecurity solutions for defense and government organizations.
7+ YOEActive TS/SCI clearance,7+ years defense/federal or cybersecurity sales/technical experience,prior U.S. military or DoW experience,ICAM/Zero Trust knowledge,ability to run demos,deployments,and translate field feedback.
FedRAMP, CMMC, IDCommand, PKI, CAC
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1d
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Lead Security Engineer | AirStrip
Dallas or El Segundo or San Antonio
$120k-$166k/yr OnsiteFull Time
NantWorks
NantWorks: Developing personalized medical treatments and healthcare data infrastructure solutions.
8+ YOERequires 8+ years in IT, 5+ years in cybersecurity, cloud security expertise, incident response, threat hunting, vulnerability management, SIEM knowledge, and healthcare compliance framework experience.
AWS, Microsoft Azure, IAM, SIEM, LogRhythm, Splunk, MITRE ATT&CK Framework, ITIL, Zero Trust, ISO 27001, NIST, HIPAA, HITRUST, ISO 27000
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1mo
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Information Assurance Engineer III
San Antonio, Texas, United States
OnsiteFull Time
STS Government Solutions
STS Government Solutions: Provides professional mission and technical support to government agencies.
5+ YOEBachelor's degree in CS/IT, 5+ years relevant experience, TS/SCI clearance, CISSP-ISSMP/GSLC/CCSP/CISSP certifications preferred, strong cybersecurity, risk assessment, policy, and documentation skills.
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13h
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1099 DevSecOps AI Engineer - USSF XC3
San Antonio or United States
HybridContract
Silotech Group
Silotech Group: Cybersecurity and managed IT services for government and businesses.
5+ YOEBachelor’s degree or equivalent experience, 5+ years in software, DevSecOps, cloud, cybersecurity, or AI platforms; AWS GovCloud, CI/CD, programming, containers, IaC, and secure development experience required.
AWS GovCloud, Amazon Web Services (AWS), CI/CD, Python, Go, Rust, JavaScript, TypeScript, Docker, Kubernetes, Amazon Elastic Container Service (ECS), Terraform, AWS CloudFormation, Ansible, RAG, FedRAMP, RMF
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1w
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Third Shift Wide Area Network Engineer
San Antonio, Texas, United States
OnsiteFull Time
NexGen Data Systems
NexGen Data Systems: Systems and network engineering for the Department of Defense
5+ YOERequires an active DoD Secret clearance, DoD 8570/8140 cybersecurity certification, 5+ years of network infrastructure experience, and expertise with routing, switching, firewalls, VPNs, and network protocols.
Routers, Switches, Firewalls, Virtual Private Network, TCP/IP, OSPF, BGP, Access Control Lists, Layer 2 Switching, Spanning Tree, Packet Analysis, Cisco Switches, Palo Alto Firewalls, F5 devices
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2mo
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Network Security Architecture & Analysis Project Leader
El Segundo or San Antonio
$133k-$199k/yr OnsiteFull Time
The Aerospace Corporation
The Aerospace Corporation: Provides technical expertise and research for national space programs.
8+ YOEBachelor's in a technical field, 8+ years engineering/scientific experience, systems engineering and cybersecurity/network security/cryptography experience, TS/SCI clearance, U.S. citizenship, willingness to travel periodically.
MBSE, AI, digital engineering, cloud architectures
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