52 security systems engineer jobs at 19 companies in Wellington, CO
2mo
Save
Mark Applied
Hide
Systems Engineer, Battlespace
Broomfield, Colorado, United States
$113k-$149k/yr OnsiteFull Time
2+ YOE2+ years hardware and software systems engineering; MBSE; Python; MBSE tools; security clearance; travel up to 25%.
JAMA, Cameo, MATLAB, Simulink, AFSIM, Python
4w
Save
Mark Applied
Hide
Senior Systems Engineer
Cheyenne or Gilbert
$96k-$138k/yr OnsiteFull Time
5+ YOEBachelor's degree in a technical discipline,5+ years systems engineering experience,proficiency with infrastructure-as-code,datacenter networking,DFS administration,security tooling,Python/Go/Java,and participation in 24/7 on-call duties.
Python, GoLang, Java, SALT, Chef, Puppet, Ansible, Windows, Active Directory, DNS, WSUS, IPS/IDS, XDR, network scanners
3w
Save
Mark Applied
Hide
Principal Systems Engineer
Centennial or Louisville
$174k-$239k/yr OnsiteFull Time
15+ YOEBachelor's in related field, typically 15+ years' systems engineering experience, active Secret U.S. security clearance, expertise in requirements, architecture, integration, V&V, and mentoring.
DOORS, CAMEO EA, Rhapsody, Matlab, SysML, Open Mission Systems (OMS), Universal Command and Control Interface (UCI), CCSDS, DTN, TSPI
1mo
Save
Mark Applied
Hide
Senior Information Systems Security Engineer
Boulder, Colorado, United States
$112k-$196k/yr OnsiteFull Time
5+ YOEActive Top Secret clearance,5+ years relevant experience,Bachelor's or equivalent experience,Security+ required,RMF/ATO experience,Windows and Red Hat administration,security toolset operation,and vulnerability scanning.
Windows, Red Hat Enterprise Linux, Symantec, Logrhythm, Chef, Puppet, Ansible, Docker, Kubernetes, Nessus, OpenVAS, SCC
3mo
Save
Mark Applied
Hide
Payload Systems Engineer
Longmont, Colorado, United States
$120k-$160k/yr OnsiteFull Time
5+ YOEFive+ years in a related role; BS in Electrical Engineering; ability to obtain security clearance; US citizenship or permanent residency for ITAR; drug and background checks.
1w
Save
Mark Applied
Hide
Engineer II - Information System Security
Broomfield or Boulder
$79k-$135k/yr OnsiteFull Time
2+ YOEBachelor's degree in engineering or related technical field plus 2+ years' experience, active TS/SCI CI Polygraph clearance, DoD security certification, and knowledge of NIST, DISA STIGs, CIS benchmarks, Splunk, and Tenable.
NIST Risk Management Framework, NIST Standards, DISA STIGs, CIS benchmarks, Splunk, Tenable SC/ACAS, HBSS, DevSecOps, AWS, MITRE ATT&CK Framework
3mo
Save
Mark Applied
Hide
Model Based Systems Engineer
Boulder or Lafayette
$140k-$180k/yr OnsiteFull Time
5+ YOEActive DoD security clearance (Secret minimum; TS/SCI preferred); 5+ years in systems engineering with MBSE; Proficiency in MBSE tools (Cameo); requirements derivation/traceability; DoD process knowledge; Bachelor's in Engineering or Computer Science.
MBSE tools, Cameo
2mo
Save
Mark Applied
Hide
Propulsion Systems Engineer II
Berthoud, Colorado, United States
$92k-$115k/yr OnsiteFull Time
3+ YOEBachelor's in aerospace/mechanical or related, 3+ years propulsion systems experience, CAD proficiency, GD&T (ASME Y14.5), hands-on fluid/mechanical/electrical systems experience, and ability to obtain a U.S. security clearance.
Siemens NX, Windchill PLM, Ansys, CNC
1w
Save
Mark Applied
Hide
Senior Engineer II - Information Security Systems
Boulder, Colorado, United States
$70k-$205k/yr OnsiteFull Time
7+ YOETop Secret/SCI clearance with CI Poly, U.S. citizenship, bachelor's degree or equivalent, and 7+ years of cybersecurity engineering experience. Requires NIST RMF expertise and Linux, Windows, Cisco, storage, and compliance tool experience.
Linux, Windows, Cisco, Tenable, ACAS, Splunk, ELK, HBSS, ESS, NIST Risk Management Framework (RMF), NIST SP 800-53, ICD 503, CNSSI 1253, DISA STIGs, CIS Benchmarks, SIEM, VLANs, ACLs
1w
Save
Mark Applied
Hide
System Security Engineer - Principal
Broomfield or Boulder
$118k-$201k/yr OnsiteFull Time
6+ YOEBachelor's degree in engineering or related technical field and 6+ years of experience required. Active Top Secret clearance, ability to obtain Top Secret/SCI, and DoW-compliant security certification required.
Model Based Systems Engineering (MBSE), Splunk, Tenable SC, ACAS, HBSS, AWS, NIST, DISA STIGs, CIS benchmarks
2mo
Save
Mark Applied
Hide
Systems Infrastructure & Network Security Operations Engineer
Spring or Fort Collins
$93k-$144k/yr OnsiteFull Time
6+ YOE6+ years networking and systems experience with zero-trust design, IaC and automation (Ansible, Terraform, Python), CI/CD for network assets, vulnerability management, cloud networking, and architecture governance; technical degree or equivalent experience.
Ansible, Python, Terraform, Git, Jenkins, GitLab CI, Nessus, Qualys, VMware vSphere, Proxmox, Linux, Windows, F5, InfoBlox, AWS VPC, Azure VNets, TOGAF, ArchiMate, OSPF, BGP, MPLS, VXLAN
1mo
Save
Mark Applied
Hide
Presales Systems Engineer - SASE
Durham or Denver or Fort Collins
$121k-$284k/yr RemoteFull Time
4+ YOE4+ years in presales, sales engineering, or solution architecture; hands-on SASE/SSE/Zero Trust experience; strong networking and security technology knowledge; excellent communication and demo skills.
HPE Aruba Networking SASE, EdgeConnect, SD-WAN, Aruba Networking SSE, Aruba Central, ClearPass, SRX, ZTNA, SWG, CASB, DEM, AWS, Azure, Google Cloud
1mo
Save
Mark Applied
Hide
Enterprise Information Systems Engineer
Fort Lupton, Colorado, United States
$99k-$149k/yr OnsiteFull Time
2+ YOE2+ years in systems integration or MES/ERP administration; hands-on NetSuite experience preferred; SQL and API integration proficiency; basic C# scripting; strong communication and information security knowledge.
Manufacturo (MFO), NetSuite, Mangrove, C#, SQL, Google Sheets, Ignition SCADA, Claude AI Coding Assistant, GitHub, Google Cloud Platform, Bartender
1mo
Save
Mark Applied
Hide
Presales Systems Engineer - SASE
Durham or Denver or Fort Collins
$121k-$284k/yr RemoteFull Time
4+ YOE4+ years in technical presales, sales engineering, or solution architecture in networking/security/cloud; hands-on SASE/SSE/Zero Trust/SD‑WAN experience; firewall and networking fundamentals; public cloud familiarity; strong communication and demo skills.
HPE Aruba Networking, EdgeConnect, Aruba Central, ClearPass, SRX, AWS, Azure, Google Cloud, SD‑WAN, ZTNA, SWG, CASB, DEM
1mo
Save
Mark Applied
Hide
Presales Systems Engineer - SASE
Durham or Denver or Fort Collins
$121k-$284k/yr RemoteFull Time
4+ YOE4+ years in technical presales/sales engineering or solution architecture; hands-on SASE/SSE/Zero Trust/SD-WAN experience; strong networking and security knowledge; public cloud familiarity; comfortable delivering demos, workshops, and POCs; regional travel required.
HPE Aruba Networking, EdgeConnect, Aruba Central, ClearPass, SRX, AWS, Azure, Google Cloud
2mo
Save
Mark Applied
Hide
Engineer Senior – RF Systems Analyst
Broomfield or Boulder or Colorado or United States
$97k-$165k/yr OnsiteFull Time
4+ YOEBS in Engineering +4 years related experience (advanced degree may substitute for experience). U.S. person required; ability to obtain security clearance. Skills: Python, Matlab, C, C++, IDL, STK, DOORS; RF payload and signal chain analysis experience.
Python, Matlab, C, C++, IDL, STK, DOORS
3mo
Save
Mark Applied
Hide
Mechanical Engineer
Longmont, Colorado, United States
$96k-$130k/yr OnsiteFull Time
3+ YOE3+ years in opto-mechanical system design and integration; BA/BS in mechanical, electrical or optical engineering; ability to obtain DoD security clearance.
SolidWorks, GitLab, Jira, MATLAB, LabVIEW
3mo
Save
Mark Applied
Hide
Senior ICT/Security Designer
Denver or Grand Junction or Durango or Fort Collins or Colorado Springs or Portland
OnsiteFull Time
10+ YOEBachelor's in Electrical Engineering (or equivalent), minimum 10 years security system design experience, familiarity with Autodesk, RCDD preferred; BICSI and PSP credentials and data center/federal experience are a plus.
Bluebeam, Microsoft Office, Revit, AutoCAD, Autodesk
2mo
Save
Mark Applied
Hide
Senior Infrastructure Engineer
Boulder, Colorado, United States
$140k-$175k/yr HybridFull Time
Atom Computing: Building scalable quantum computers using arrays of neutral atoms.
5+ YOE5+ years of experience maintaining large-scale distributed systems; BS or MS in CS/CE; cloud and on-prem infrastructure; CI/CD; Azure/AWS/GCP; Docker/Podman; Terraform/Ansible; monitoring/observability; security best practices.
Azure, AWS, GCP, Proxmox, Docker, Podman, GitLab CI/CD, GitHub Actions, Terraform, Ansible, Helm, Kubernetes, Datadog, Grafana, Perf tools, systemd-analyze, iostat
3w
Save
Mark Applied
Hide
Space Surveillance Systems Technician
Windsor, Colorado, United States
$61k-$101k/yr FieldFull Time
3+ YOE3+ years field technician experience or bachelor's in CS/engineering, ability to travel up to 50% domestic/international, lift 50 lbs, work in extreme temperatures, Linux and cloud tooling familiarity, eligible for U.S. government security clearance.
Linux, cloud application tooling