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43 ts sci jobs at 10 companies in McKinney, TX

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Senior Cyber Engineer (TS/SCI w/CI Poly Required)
Herndon or Washington or Richardson or Salt Lake City
$152k-$188k/yr HybridFull Time
Everfox
Everfox: Develops cybersecurity software for government and regulated industry networks
8+ YOEActive TS/SCI with CI poly, 8+ years cyber engineering experience, advanced Linux and scripting, procedural programming, networking knowledge, BS in CS or equivalent, DODI 8570 IAT I (SANS GSEC/CISSP preferred).
Linux, VMWare, HyperV, TCP/IP
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2w
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Senior Cyber Engineer (TS/SCI w/CI Poly Required)
Washington or Herndon or Richardson or Salt Lake City
$152k-$188k/yr FieldFull Time
Everfox
Everfox: Provides cybersecurity software and cross-domain solutions for regulated industries.
8+ YOEActive TS/SCI with CI Poly, 8+ years cyber engineering experience, advanced Linux and scripting, programming and networking expertise, BS in CS/CE/InfoSec or equivalent, DODI 8570 IAT Level I required; SANS GSEC/CISSP preferred.
Linux, Forcepoint, VMware, HyperV
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CDS Application and Collaboration Specialist
Richardson, Texas, United States
$87k-$165k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
5+ YOE5+ years in collaboration tools or enterprise platforms; university degree or equivalent; TS/SCI clearance; DoD TS/SCI; travel up to 15%; ITIL knowledge preferred.
SharePoint, Mattermost, Sentris, Email systems, ITIL
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Security Specialist
Greenville, Texas, United States
$82k-$136k/yr OnsiteFull Time
Riverside Research
Riverside Research: Independent non-profit performing scientific research for national security.
5+ YOERequires TS/SCI clearance and counterintelligence polygraph, 5+ years related experience (or 3+ with MS, PhD may qualify), experience managing collateral/SCI/SAP security programs, and ability to safeguard classified information.
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Sr. Program Controls Analyst
Richardson, Texas, United States
$120k-$145k/yr OnsiteFull Time
Innovative Signal Analysis
Innovative Signal Analysis: Provider of real-time signal and image processing systems.
5+ YOEBachelor's in related field, 5+ years program controls/earned value/program finance experience, advanced Excel, strong analytical skills, TS/SCI clearance ability, attention to detail and deadlines.
Microsoft Excel
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Technical Director II - Adaptive Communications & Sensing (Hybrid)
Dallas or Fort Wayne or Hudson or Largo or Wayne
$164k-$279k/yr HybridFull Time
BAE Systems
BAE SystemsLondon Stock Exchange: BA: Provides advanced defense, aerospace, and security technology solutions.
12+ YOE10+ MgmtBachelor's degree and 12+ years related experience (10+ years technical leadership), active Top Secret clearance (TS/SCI required), experience developing technology roadmaps, customer engagement, and IP/IRAD management.
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Lead, Project Engineer (40539)
Greenville, Texas, United States
OnsiteFull Time
L3Harris Technologies
L3Harris TechnologiesNYSE: LHX: Aerospace and defense providing mission-critical technology solutions.
9+ YOEBachelors in a technical field with 9+ years (or graduate degree with 7+ years), active DoD Secret clearance and ability to obtain TS/SCI, experience in reliability engineering, root cause analysis, program execution, and customer interfacing.
Labor Tracking System (LTS)
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3w
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Principal Software Engineer
Lone Tree or Plano or Englewood
$165k-$227k/yr HybridFull Time
Sierra Nevada Corporation
Sierra Nevada Corporation: Develops mission-critical aerospace and national security technology systems.
14+ YOEBachelor's in CS or related (Master's preferred), 14+ years software development experience, expert in C++, Java, or Python, extensive leadership experience, active Secret clearance required with ability to obtain Top Secret/TS-SCI.
C++, Java, Python, C, C#, HTML, Bash, RTOS, Open Mission System, Universal Command and Control Interface, Agile, Scrum, Waterfall, Spiral
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Forward Deployed Engineer - Implementation Focus
Washington or Raleigh or Durham or Chapel Hill or Denver or Colorado Springs or Dallas or Fort Worth
$120k-$160k/yr RemoteFull Time
Second Front Systems
Second Front Systems: Secure cloud hosting and automated compliance for government software.
TS/SCI eligible (or active/interim) and U.S. citizenship required; mid-to-senior technical experience with cloud (AWS/GCP/Azure), Linux, Kubernetes, Docker, Terraform, and customer-facing deployments; strong communication and problem-solving.
AWS, GCP, Azure, Talos Linux, Linux, Kubernetes, Docker, Helm, Istio, Git, GitLab, Terraform, GameWarden
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Cyber Software Engineer Embedded, Sr - Top Secret Required
Grand Prairie, Texas, United States
$105k-$185k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
Active Top Secret clearance (TS/SCI preferred), embedded DoD systems experience, programming in C/C++, Python, Java, MATLAB, reverse engineering tools (Ghidra, IDA Pro, Binary Ninja), and assembly for ARM/PowerPC/x86.
C, C++, Python, Java, MATLAB, Ghidra, IDA Pro, Binary Ninja
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Network Engineer, Lead - Cisco ISE / Firepower
Dallas, Texas, United States
$155k-$180k/yr OnsiteFull Time
American Systems
American Systems: Providing strategic engineering and IT solutions for government programs.
8+ YOEU.S. citizen with active TS/SCI and SAP eligibility, 8+ years network engineering experience, strong hands-on Cisco ISE and Firepower/FMC experience, DoD 8140/8570 IAT II (e.g., Security+ CE, CySA+, SSCP), RMF/STIG and AAA/802.1X/VPN knowledge.
Cisco ISE, Cisco Firepower, Firepower Management Center (FMC), VMware, RMF, STIG, 802.1X
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