1d
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Distributed Operations Senior Systems Engineer (IO)
Fort Meade, Maryland, United States
OnsiteFull Time
12+ YOETS/SCI with CI polygraph; Bachelor's in Science/Engineering/Math +14 yrs or Master's +12 yrs (4 yrs experience may substitute); ability to brief senior government personnel and collaborate with stakeholders.
Model Based Systems Engineering (MBSE)
1d
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Distributed Operations Senior Systems Engineer (IO)
Fort Meade, Maryland, United States
$160k-$200k/yr OnsiteFull Time
12+ YOETS/SCI+CI polygraph required; Bachelor's in science, engineering or math with 14+ years or Master's with 12+ years (or 4 years experience in lieu of advanced degree); strong written/oral communication and stakeholder engagement skills.
Model Based Systems Engineering (MBSE)
1w
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Apple iOS Developer
Dulles, Virginia, United States
$120k-$200k/yr OnsiteFull Time
4+ YOEActive TS/SCI with polygraph, 4+ years experience with BS (or 6 additional years substitution), Python and C development, reverse engineering iOS/MacOS, PoC exploit development, git experience.
Python, C, git, Objective-C, Swift, C++
1w
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Apple iOS Developer
Dulles, Virginia, United States
$120k-$200k/yr OnsiteFull Time
4+ YOEActive TS/SCI with polygraph, BS or equivalent (4 years plus BS; 6 additional years may substitute), 4+ years experience, Python and C development/testing, reverse engineering iOS/MacOS, git, Objective-C/Swift/C++ familiarity.
Python, C, git, Objective-C, Swift, C++, ARM, X86
4d
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Lead AI Engineer (Mobile Technology)
Owings Mills, Maryland, United States
$145k-$247k/yr HybridFull Time
8+ YOEBachelor's or Master's in CS/Engineering or equivalent experience; 8+ years in software/mobile engineering; hands-on iOS/Android development; experience building AI-enabled or agentic engineering workflows; strong architecture and leadership skills.
Claude Code, Swift, SwiftUI, Kotlin, Jetpack Compose, Java, Python, GitHub, CI/CD, Jira, Confluence, Figma
1mo
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Network Engineer - Senior
Sterling, Virginia, United States
$133k-$226k/yr OnsiteFull Time
6+ YOE6+ years network engineering experience, Bachelor's required (Master's preferred). Top Secret/SCI polygraph clearance, TCP/IP, routing, SD‑WAN, VoIP, Cisco IOS, INFOSEC/COMSEC, O&M, virtualization, cloud, SecDevOps.
Cisco IOS, VMware, AWS, Azure, SD-WAN, VoIP, SecDevOps, Agile
1w
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Senior Principal Cyber Mobile CNO Engineer
Sterling or Chantilly
$122k-$253k/yr OnsiteFull Time
5+ YOETS/SCI with polygraph, 5+ years C/C++ on Unix/Linux, Android/iOS mobile development, mobile vulnerability assessment, reverse engineering, degree in a technical discipline.
C, C++, Unix, Linux, Make, CMake, Hex-Rays, Ghidra, AOSP, Bitbucket, Bamboo, JIRA, git, ARM64, ARM32
1w
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Network Engineer - Senior
Sterling, Virginia, United States
OnsiteFull Time
6+ YOEMinimum 6 years relevant experience, Bachelor’s required (Master’s preferred). Must obtain Top Secret/SCI with polygraph. Skills: TCP/IP, routing, Cisco IOS, LAN/WAN/VPN/SD-WAN, virtualization, cloud (AWS/Azure), INFOSEC/COMSEC.
Cisco IOS, VMware, AWS, Azure
1mo
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Network Engineer and Cisco Specialist, Senior
Washington or McLean
$78k-$176k/yr OnsiteFull Time
5+ YOE5+ years network engineering experience, 2+ years Cisco experience, knowledge of Cisco ASA Firepower, Nexus, routers, IOS, GRE, IBGP, Juniper, MPLS L3VPN; Secret clearance and Bachelor\u0002s degree required.
Cisco ASA Firepower, Cisco Nexus, Cisco routers, Cisco Systems IOS, Juniper, MPLS L3VPN, GRE, IBGP, Cisco TMS, Cisco Voice
1mo
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iOS Developer
Reston, Virginia, United States
OnsiteFull Time
3+ YOEActive U.S. Top Secret clearance (or ability to obtain), 3+ years experience, proficiency in Python and C, experience reverse engineering iOS/macOS, proof-of-concept exploit development, and git.
Python, C, git, Objective-C, Swift, C++, iOS, macOS, ARM, x86
2w
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iOS Engineer, Customer Growth
San Francisco or San Jose or New York City or Seattle or Austin or Washington or California or Massachusetts or New Jersey or Washington or United States
$179k-$232k/yr RemoteFull Time
Experienced iOS engineer with Swift or Objective-C, proven track record shipping consumer apps, cross-functional collaboration, testing, releasing, and maintaining App Store apps.
Swift, Objective-C
2w
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MAC OS Engineer Team Lead
Arlington, Virginia, United States
OnsiteFull Time
5+ YOEHigh school diploma, 5+ years experience, DoD IAT Level II required, DoD Secret clearance required, macOS/iOS enterprise administration, MDM (JAMF, Intune, Workspace ONE), DISA STIGs and RMF, scripting and automation, vulnerability remediation and ACAS support.
macOS, iOS, JAMF, Intune, Workspace ONE, Active Directory, ACAS, DISA STIGs, RMF
2w
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iOS Engineer
Washington, District of Columbia, United States
$125k-$140k/yr OnsiteFull Time
8+ YOE8+ years iOS experience with Swift, PassKit/Apple Pay, MapKit/CoreLocation, NearbyInteraction/CoreNFC, secure coding, API integrations, CI/CD, BLE, and payment compliance.
Swift, PassKit, Apple Pay, MapKit, CoreLocation, NearbyInteraction, CoreNFC, Google Maps SDK, Location Services API, CI/CD, BLE
1mo
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iOS-Savvy CNO Developer
Fort Meade or Maryland or Virginia or Colorado or Texas or Utah or Alaska or Hawaii or North America
OnsiteFull Time
1+ YOEUS citizenship and active TS/SCI with agency polygraph required. Degree in Computer Science/Computer Engineering, software development experience, at least 1 year of cybersecurity/CNO-specific development, iOS internals and reverse engineering skills.
iOS, Android
6d
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iOS CNO Software Engineer
Chantilly, Virginia, United States
OnsiteFull Time
Experience developing iOS software, exploit development, reverse engineering, kernel and OS internals, strong programming in Objective-C/Swift/C/C++/Python, active TS/SCI with polygraph, bachelor's degree in a technical field.
Objective-C, Swift, C, C++, Python, LLDB, IDA Pro, Ghidra, Frida, Hopper, Git, Bitbucket, ARM64
2mo
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Senior iOS Engineer
McLean, Virginia, United States
OnsiteFull Time
5+ YOE5+ years mobile development; Swift and SwiftUI expertise; modular, testable iOS architecture; mentoring; strong communication.
Swift, SwiftUI
3mo
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iOS-Savvy CNO Developer
Fort Meade, Maryland, United States
$106k-$118k/yr OnsiteFull Time
1+ YOEActive TS/SCI with polygraph; US citizen. 1 year cybersecurity/CNO development; 1 year software development. iOS internals and reverse engineering experience. Bachelor’s in CS/CE; MS/MA optional.
1mo
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Senior iOS Engineer, Crypto Trading
Menlo Park or New York City or Bellevue or Washington or Denver or Westlake or Chicago or Lake Mary or Clearwater or Gainesville or Toronto
$153k-$230k/yr HybridFull Time
6+ YOE6+ years iOS experience, strong Swift and modern iOS frameworks knowledge, scalable mobile architecture, real-time/data-intensive app experience preferred, mentoring and technical leadership experience, US citizen or lawful permanent resident required.
Swift, iOS
2w
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Lead Mobile Engineer, iOS (Enterprise Platforms Technology)
McLean or New York City or Chicago
$179k-$246k/yr OnsiteFull Time
4+ YOEBachelor's degree, 4+ years software engineering, 3+ years building iOS apps with Swift, experience with Kotlin and Agile, mentoring experience, strong communication and problem solving.
Swift, Kotlin
2w
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Network Engineer
Dulles or Vienna
$173k-$211k/yr OnsiteFull Time
6+ YOEActive TS/SCI with polygraph, bachelor\u0002s degree (or equivalent experience) with 6+ years network engineering experience; hands-on Cisco, ACI, IOS-XE/NX-OS, routing, switching, and firewall/VPN technologies.
Cisco Datacenter, WAN, LAN, Client Access, MACsec, HSRP, VRF, VPC, ACLs, BGP, EIGRP, Cisco ACI, IOS-XE, NX-OS, FTD, ASA, VPN concentrators