19 it security engineer jobs at 15 companies in Frederick, CO

PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
2mo
Save
Mark Applied
Hide
IT Security Engineer
San Diego or Denver or Boston or Rancho Cordova
$76k-$127k/yr HybridFull Time
Kleinfelder
Kleinfelder: Professional engineering, design, and construction management services.
7+ YOE7+ years information security; 5+ years AD/Azure AD with MFA/SSO; 3+ years security operations and SDLC integration; 2+ years security initiatives leadership; Bachelor's degree or equivalent.
SIEM, Active Directory, Azure Active Directory, MFA, SSO, CI/CD, Azure DevOps, Git, Terraform, ARM, Bicep, APIM, Power Platform
1w
Save
Mark Applied
Hide
IT Security Engineer III
Niles or Fort Collins or Rockford
$105k-$168k/yr HybridFull Time
Woodward
WoodwardNASDAQ: WWD: Designs control solutions for aerospace and industrial markets.
Experienced network security engineer with deep firewall expertise, VPN/SASE/NAC knowledge, log analysis ability, and strong collaboration and problem-solving skills.
firewall, VPN, SASE, NAC
2mo
Save
Mark Applied
Hide
Senior IT Security Engineer
Linthicum or Phoenix or Denver or Tampa or Cicero
$92k-$110k/yr RemoteFull Time
Breakthru Beverage Group
Breakthru Beverage Group: Distributes alcoholic and non-alcoholic beverages to North American businesses.
7+ YOESeven years IT security experience with CISSP/CISM, cloud and network expertise, and security tooling.
Firewalls, SIEM, PAM, ZTN, IdP, IAM, CSPM, DLP, CIEM, DevSecOps, SSDLC, AWS, Azure, data lakes, data warehouses, IaC, PowerShell, Python, Go, Shell
1mo
Save
Mark Applied
Hide
Senior IT Security Engineer
Linthicum or Phoenix or Tampa or Denver or Cicero
$90k-$120k/yr OnsiteFull Time
Breakthru Beverage Group
Breakthru Beverage Group: Distributes alcoholic and non-alcoholic beverages to North American businesses.
7+ YOE7+ years IT security experience, CISSP required; expertise in networking, Windows and Linux administration, AWS/Azure, IaC (HCL/YAML/JSON), scripting (PowerShell, Python, Go, Shell), incident response, risk management, and security tooling.
firewalls, SIEM, PAM, ZTN, IdP, IAM, CSPM, DLP, Vulnerability/Exposure Management, CIEM, DevSecOps, SSDLC, AWS, Azure, HCL, YAML, JSON, PowerShell, Python, Go, Shell
3d
Save
Mark Applied
Hide
IT Engineer - Network & Security
Naperville or Denver
$120k-$130k/yr HybridFull Time
PTMA Financial Solutions
PTMA Financial Solutions: Provides treasury and investment services to public sector entities.
3+ YOE3+ years in network/security or infrastructure engineering; SASE/firewall and cloud experience; EDR/SIEM/ITSM familiarity; ability to lift 30 lbs; occasional travel and rotating on-call duties.
SASE, Fortinet, Palo Alto, Netskope, Zscaler, EDR, SIEM, ITSM, Windows Server
3d
Save
Mark Applied
Hide
IT Engineer - Network & Security
Denver or Naperville
$120k-$130k/yr HybridFull Time
PTMA Financial Solutions
PTMA Financial Solutions: Provides treasury and investment services to public sector entities.
3+ YOE3+ years network/security or infrastructure experience supporting production environments; hands-on SASE/firewall and EDR/SIEM experience; cloud VM and Windows Server knowledge; relevant certs preferred; ability to travel and participate in on-call rotation.
SASE, Fortinet, Palo Alto, Netskope, Zscaler, EDR, SIEM, Windows Server, VM, ITSM
1mo
Save
Mark Applied
Hide
Senior IT Security Engineer - Mission System Cybersecurity & Compliance
Golden, Colorado, United States
$100k-$120k/yr OnsiteFull Time
Lunar Outpost
Lunar Outpost: Develops autonomous robotic systems and rovers for lunar exploration.
4+ YOELead security controls and compliance, develop architecture, manage audits, and align with NIST/ITAR frameworks; experience with government contracting and cloud security.
NIST 800-171, NIST 800-53, FARS/DFARS, ITAR, SSP, POA&M, SCTM, GRC, SIEM, DLP, Cloud security, RMF, ISO
2mo
Save
Mark Applied
Hide
Manager, IT Security Engineering
Denver, Colorado, United States
$85k-$135k/yr OnsiteFull Time
DaVita
DaVitaNYSE: DVA: Provides kidney dialysis and integrated chronic disease management services.
9+ YOELed security engineering teams; oversee security platforms; implement IT security controls
CyberArk, TenableOne, Kenna, Palo Alto XSOAR/XSIAM, Cortex EDR, Palo Alto firewall
3mo
Save
Mark Applied
Hide
Cyber Security Engineer, Enterprise IT
Fort Collins, Colorado, United States
$166k-$208k/yr OnsiteFull Time
Persistent Systems
Persistent Systems: Secure mobile ad-hoc networking solutions for defense and commercial sectors.
4+ YOEFour years of cybersecurity operations experience; DoD 8140 certification; vulnerability scanning experience; Windows/AD; STIGs; travel up to 25%; ability to obtain Secret clearance.
Nessus, ACAS, Qualys, Splunk, LogRhythm, PowerShell, Python, Bash, VMware, Hyper-V, Windows, Active Directory, GPO
1mo
Save
Mark Applied
Hide
IT Support Engineer
Lakewood, Colorado, United States
$30-$34/hr OnsiteFull Time
Horizon Ag Products
Horizon Ag Products: Manufacturer of humic-based biostimulants and soil health products.
2+ YOEAssociate degree in Computer Science or Information Systems or 2 years of equivalent work experience; strong Windows/Microsoft 365 knowledge; basic networking; security mindset; good communication; cloud concepts; bonus SharePoint, Zero Trust, Intune familiarity.
Windows, Microsoft 365, SharePoint, Intune, zero trust, Cloud services (SaaS IaaS PaaS)
1mo
Save
Mark Applied
Hide
IT Support Engineer II
Denver, Colorado, United States
OnsiteFull Time
Performance Drone Works
Performance Drone Works: Manufacturer of autonomous, tactical unmanned aerial systems for defense.
3+ YOE3+ years enterprise technical support; expert Windows/macOS troubleshooting; networking fundamentals (DNS, DHCP, VPN, Wi‑Fi); scripting (PowerShell/Bash); Entra/Azure AD, Intune/JAMF experience; ability to obtain U.S. security clearance.
PowerShell, Bash, Entra ID, Azure AD, Intune, JAMF
1mo
Save
Mark Applied
Hide
IT Service Engineer II
Grand Lake, Colorado, United States
OnsiteFull Time
Executech
Executech: Provides managed IT and cybersecurity services for businesses.
2+ YOE2-5 years IT support; strong Microsoft 365 admin; PowerShell automation; MSP experience preferred; security awareness.
PowerShell, Microsoft 365, Intune, MSP toolsets, Scripting
1mo
Save
Mark Applied
Hide
IT Cloud Engineer
Niwot, Colorado, United States
HybridFull Time
Particle Measuring Systems
Particle Measuring Systems: Manufactures particle counters and cleanroom contamination monitoring systems.
8+ YOE8+ years IT systems/cloud engineering experience with extensive Microsoft Azure, on-premise infrastructure, networking, security, automation (PowerShell/Python/Bash), Azure certifications (AZ-104/AZ-105), and ITIL knowledge.
Microsoft Azure, Entra AD, Conditional Access, Microsoft Intune, Microsoft Active Directory Services, Microsoft Windows Server OS, VMware, Microsoft Office 365, Microsoft SharePoint, Microsoft Exchange Online, Microsoft Teams, Microsoft Viva, Microsoft Defender XDR, Cisco, Secure Endpoint, Microsoft Windows Defender, Zscaler, Citrix, Bash, PowerShell, Python, Autodesk, AutoCAD, Poly, Crestron, AMX
3d
Save
Mark Applied
Hide
Network Lead Engineer (IT)
Denver, Colorado, United States
$115k-$183k/yr RemoteFull Time
DaVita
DaVitaNYSE: DVA: Provides kidney dialysis and integrated chronic disease management services.
8+ YOE8+ years enterprise network engineering experience with 2+ years in a senior/lead capacity; expert routing/switching, cloud network integration, security, load balancing, IPAM and monitoring; strong communication skills.
Cisco, HP Synergy, Infoblox, PagerDuty, Micro Focus NNMi, Google GCP, AWS, Azure, Workday, ServiceNow, Illumio, Palo Alto Prisma
1mo
Save
Mark Applied
Hide
Systems Engineer-IT / Level 2
Boulder, Colorado, United States
$70k-$124k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
1+ YOESecurity+ certification, 1+ years professional experience, BS degree typically required, Linux and Windows system administration, system security implementations, and active government clearance (Secret) with ability to obtain TS/SCI.
OpenShift, AWS, Splunk, Linux, Windows, virtual machines, routers, switches, firewalls, intrusion detection/prevention systems
2w
Save
Mark Applied
Hide
IT Infra & Cloud Engineer
New York or Tel Aviv or San Francisco or Denver or London or Kyiv or Sydney or São Paulo or Tokyo
$80k-$110k/yr HybridFull Time
monday.com
monday.comNASDAQ: MNDY: Cloud-based work operating system for managing workflows and projects.
3+ YOE3+ years in global IT infrastructure and networking; experience with enterprise security, cloud platforms, SaaS admin, monitoring, Python scripting/automation, backup/DR, and infrastructure project delivery.
AWS, Azure, GCP, Google Workspace, Okta, Intune, Jamf, Palo Alto, Prisma Access, ZTNA, SASE, ThousandEyes, Slack, n8n, Workato, Python
1mo
Save
Mark Applied
Hide
Cloud DevOps Engineer, Senior - Enterprise IT
Aguadilla or Bethesda or Fort Worth or Littleton or Moorestown or Orlando or Owego or Sunnyvale or California or Colorado or Florida or Maryland or New Jersey or New York or Puerto Rico or Texas
$93k-$186k/yr RemoteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
Hands-on experience with IaC (Terraform, Ansible), Google Cloud and/or Oracle Cloud, scripting (Python/Bash/PowerShell), CI/CD automation, cloud security/IAM, troubleshooting production incidents, Agile experience, and U.S. citizenship required.
Terraform, Ansible, Google Cloud Platform (GCP), Oracle Cloud Infrastructure (OCI), AWS, Azure, Python, Bash, PowerShell, JSON, YAML, Bicep, GitHub, GitLab, Microsoft Visual Studio Code
1d
Save
Mark Applied
Hide
Senior Director, IT Services
Pacific or Dallas or Castroville or Denver or Lockport or Nashville or Huntersville or Cincinnati
$150k/yr OnsiteFull Time
ADB Companies
ADB Companies: Provides nationwide turnkey telecommunications and utility infrastructure solutions.
5+ YOE5+ MgmtLead IT engineering and operations teams, own architecture and delivery across security, infrastructure, data, and enterprise apps; 5+ years leading technical organizations and 5+ years technical experience; Agile/ITIL experience required.
Agile, ITIL, HCM, ERP, CRM
2w
Save
Mark Applied
Hide
IT Specialist (APPSW) "Software Engineer", GS-2210-15 FPL GS-15 (Direct Hire) (Open Continuous)
San Francisco or Denver or Washington or Atlanta or Chicago or Salt Lake City or Seattle or Phoenix or Los Angeles or Miami or Indianapolis or New Orleans or Boston or Minneapolis or Kansas City or Albuquerque or New York or Oklahoma City or Portland or Austin or Philadelphia or Dallas
$148k-$197k/yr OnsiteFull Time
Federal Student Aid
Federal Student Aid: Administers federal student loans and financial aid programs.
1+ YOESenior software engineering experience leading design and delivery of large-scale, secure applications; must meet GS-15 specialized experience equivalent to GS-14; US citizenship and background check required.