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65 systems security engineer jobs at 33 companies in Kissimmee, FL

2mo
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Systems Engineer-Security Clearance Eligibility Required
Orlando, Florida, United States
OnsiteFull Time
AVT Simulation
AVT Simulation: Designs and manufactures flight and gunnery training simulation systems.
5+ YOEBachelor's or higher in Engineering or related field; 5+ years in systems engineering or related domains; proficiency with CAMEO and SysML; MBSE/MBD; security clearances eligibility; US passport obtainable.
CAMEO, SysML, MBSE, MBD, Scripting, Windows, Linux, VMware, SQL Server, Active Directory, Backup systems
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2mo
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Systems Engineer (APPA)
Patuxent River or Orlando
OnsiteFull Time
ASEC
ASEC: Provides engineering and flight support services for military aviation.
4+ YOEBachelor's in a technical field; 4+ years DoD systems engineering; MBSE; LVC; cloud; data analytics; security clearance.
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1mo
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Systems Engineer
Orlando, Florida, United States
HybridFull Time
By Light
By Light: Provides IT and technology services to federal government agencies.
3+ YOEBachelor's or equivalent experience, 3+ years systems engineering (defense/aerospace preferred), familiarity with lifecycle processes and standards (INCOSE, MIL-STD), Unity experience, requirements management, strong troubleshooting and communication, ability to obtain security clearance.
Unity, INCOSE, MIL-STD, ISO/IEC/IEEE 15288
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1mo
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Systems Engineer
Tinker Air Force Base or Huntsville or Arlington or Orlando or Beavercreek or Lexington or United States
$62k-$141k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
3+ YOE3+ years engineering experience on DoD/national security or aerospace programs, Secret clearance, Bachelor's in engineering/science/technology, able to work independently and in teams.
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2w
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Senior Systems Engineer - RMA
Cocoa Beach or Patrick Space Force Base
$125k-$135k/yr OnsiteFull Time
Amentum
AmentumNYSE: AMTM: Provides engineering, technology, and mission support to government agencies.
8+ YOEBachelor's in engineering,8+ years systems engineering experience,RMA and reliability analysis experience,requirements/interface management,configuration control,technical writing,ability to obtain U.S. security clearance.
Cameo
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2w
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Senior Systems Engineer - RMA
Cocoa Beach or Patrick Space Force Base
$125k-$135k/yr OnsiteFull Time
Amentum
AmentumNYSE: AMTM: Global provider of engineering, technical, and mission support services.
8+ YOEBachelor's degree in engineering or related STEM field, 8+ years of systems engineering experience, aerospace integration or test experience, RMA analysis, technical writing, and ability to obtain a U.S. security clearance.
Cameo
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3w
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Sr. Systems Engineer
United States or Arlington or Denver or Houston or Merritt Island
RemoteFull Time
Airbus U.S. Space & Defense
Airbus U.S. Space & DefenseEuronext Paris: AIR: Provides satellite, helicopter, and cybersecurity solutions for U.S. defense.
8+ YOEUS citizen with 8+ years (BSc) or 6+ years (MSc) aerospace systems engineering experience; Bachelor's in STEM required, Master's preferred; experience with avionics, requirements flow-down, verification, FMEA, DOORS and SysML; ability to obtain security clearance.
DOORS, SysML
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4d
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Lead, Systems Engineer - Secret Security Clearance (42474)
Palm Bay or Patrick Space Force Base
OnsiteFull Time
L3Harris Technologies
L3Harris TechnologiesNYSE: LHX: Aerospace and defense providing mission-critical technology solutions.
9+ YOEBachelor's degree plus 9 years relevant experience, graduate degree plus 7 years, or 13 years without a degree; active Secret clearance required; systems architecture and engineering experience preferred.
Model-Based Systems Engineering (MBSE), Cameo, SysML
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3mo
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SYSTEMS ENGINEER (MARITIME)
Orlando, Florida, United States
OnsiteFull Time
Aero Simulation
Aero Simulation: Develops high-fidelity flight simulation and military training systems.
0+ YOEBS or MS in engineering; 0-7 years experience; C/C++/C#/Python; Linux/Windows; DoD security clearance.
C, C++, C#, Python, Bash, PowerShell, Git, SVN, Linux, Windows, Microsoft Office, Visio, Teams/SharePoint
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2mo
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Information Systems Security Engineering (ISSE)
Melbourne, Florida, United States
OnsiteFull Time
Ascension Federal Services
Ascension Federal Services: Independent third-person description not provided.
3+ YOE3+ years in information systems security engineering; Bachelor's degree in CS/IT/Cybersecurity; knowledge of NIST SP 800-53, RMF, FISMA; experience with firewalls/IDS/IPS, encryption, vulnerability scanners; cloud security familiarity; certifications preferred.
Firewalls, IDS/IPS, Encryption, Vulnerability scanners, Cloud security (AWS/Azure)
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2w
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SYSTEMS ENGINEER I
Orlando, Florida, United States
OnsiteFull Time
Phoenix Defense
Phoenix Defense: Design, manufacture, and support systems for aerospace and defense
2+ YOEBachelor's in computer/information science,2–3 years IT experience,Agile experience,Java and/or C++,UML/SysML and Enterprise Architect experience,ability to decompose requirements,Secret security clearance required.
Java, C++, UML, SysML, Enterprise Architect, DevSecOps, Cloud
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3w
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Senior Systems Engineer
Boca Raton or Dallas or Houston or Louisville or Miami or Orlando or Phoenix or Seattle or Tacoma
$98k-$185k/yr OnsiteFull Time
Bezos Academy
Bezos Academy: Operates tuition-free Montessori preschools for under-resourced communities.
8+ YOEBachelor's degree or equivalent, 8+ years IT/systems engineering experience, expertise with AWS and cloud networking, AI platform management, SaaS migrations, and cloud security best practices.
AWS, Cloudflare, Akamai, Claude CoWork, Copilot Studio, Azure Foundry, AWS CLI, CloudFormation, Terraform, Ansible, Salt, Puppet, Chef, Harness, CircleCI, Wiz, Dynatrace, Datadog, Splunk, REST APIs, MCP servers, Microsoft O365, Azure AD, Jamf, Intune
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2mo
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Security Engineer (Embedded OT)
Cape Canaveral or Hawthorne
$130k-$180k/yr OnsiteFull Time
SpaceX
SpaceX: Designs and launches advanced rockets and satellite internet constellations.
2+ YOEBachelor's in CS/STEM or 2+ years security software development, experience with Python/Go/C#/C/C++/Rust, designing security for OS/distributed systems, PKI/SAML/OIDC/OAuth familiarity, and ability to pass Air Force background check.
Python, Go, C#, C/C++, Rust, Linux, Windows, macOS, PKI, SAML, OIDC, OAuth, TPM, HSM, TCP/IP, HTTP-RPC, REST
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4d
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Senior Corporate Security Engineer
Bellevue or Menlo Park or New York City or Washington or Denver or Westlake or Chicago or Lake Mary or Clearwater or Gainesville
$166k-$195k/yr HybridFull Time
Robinhood
RobinhoodNASDAQ: HOOD: Provides a commission-free platform for investing and financial services.
5+ YOERequires 5+ years in information security spanning security engineering, systems administration, and enterprise infrastructure; cloud, AI tooling, identity systems, vulnerability management, and automation experience.
Okta, OpenAI, Claude, Cursor, Google Cloud Platform
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2w
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Avionics Flight Systems Integration Engineer
Cape Canaveral or Kent
$116k-$162k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
B.S. in Engineering or equivalent experience, Linux and networking knowledge, software configuration control familiarity, ability to troubleshoot under pressure, and eligibility for U.S. government security clearance.
Linux
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3w
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Cyber Security Engineer
Orlando, Florida, United States
OnsiteFull Time
Cole Engineering Services
Cole Engineering Services: Provides advanced simulation and cyber training for military forces
Bachelor's or equivalent experience, software/system engineering background, Linux/system hardening (STIGs), Python/scripting, offensive security tools, NIST SP 800-53 and RMF experience, IAT Level II certification and ability to obtain TS/SCI clearance.
Linux, Python, STIGs, NIST SP 800-53, RMF, Cyber Range Environments
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1mo
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Cyber Security Engineer
Orlando, Florida, United States
$95k-$105k/yr OnsiteFull Time
Daniels Manufacturing Corporation
Daniels Manufacturing Corporation: Manufacturer of precision tooling for mission-critical electrical systems.
3+ YOE3+ years IT/systems administration with hands-on security responsibilities; knowledge of NIST SP 800-171/CMMC Level 2; experience with Windows Server, Active Directory, Group Policy, Microsoft Defender, Sentinel, Azure/Entra ID, Hyper-V, network security, vulnerability scanning, SIEM, and security documentation.
Microsoft Sentinel, Microsoft Defender for Endpoint, Microsoft Defender for Identity, Microsoft Defender for Office 365, Microsoft Entra ID (Azure AD), Microsoft Azure, Microsoft Purview, Microsoft Windows Server, Microsoft Active Directory, Microsoft Group Policy, Microsoft Hyper-V, SIEM, EDR, ITSM, Infor CloudSuite, ERP
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1mo
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Systems Engineer II - Linux
Melbourne, Florida, United States
$114k-$121k/yr OnsiteFull Time
Space Coast Credit Union
Space Coast Credit Union: Member-owned cooperative providing banking, lending, and financial services.
5+ YOE5–8 years enterprise Linux administration experience with strong RHEL skills, security hardening, scripting (Bash/Python), virtualization knowledge, and compliance experience; bachelor\u0002s degree preferred.
Red Hat Enterprise Linux, Ubuntu, VMware, Bash, Python, Ansible, SCAP, STIG, CIS, NIST
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1mo
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Sr. Launch Vehicle Avionics and Electrical Systems Engineer
Lompoc or Cape Canaveral
$151k-$227k/yr OnsiteFull Time
The Aerospace Corporation
The Aerospace Corporation: Provides technical expertise and research for national space programs.
12+ YOEBS in engineering/science/math or related; 12+ years relevant experience in launch vehicle systems; ability to obtain U.S. security clearance and operate on launch range property; launch systems expertise (avionics, telemetry, power, RF); frequent travel and off‑shift work.
JIRA, Electrical Ground Support Equipment (EGSE)
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Senior Cyber Security Engineer - Data/AI
Orlando, Florida, United States
OnsiteFull Time
Universal Destinations & Experiences
Universal Destinations & ExperiencesNASDAQ: CMCSA: Operates global theme parks and immersive entertainment resort destinations.
7+ YOE7+ years technical cyber security experience; bachelor’s in computer science/information systems/cyber security required (master’s preferred); expertise in cloud, network, data/AI security, threat modeling (MITRE ATT&CK).
Azure OpenAI services, MITRE ATT&CK
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