3w
Save
Mark Applied
Hide
.NET Application Support Engineer
Ashburn or Harrisburg or Pennsauken
OnsiteFull Time
3+ YOE3+ years supporting or developing .NET applications, strong C# debugging, PowerShell scripting, IIS management, T-SQL/MS SQL proficiency, and experience with monitoring and automation; bachelor’s degree or equivalent.
C#, .NET Core, .NET Framework, ASP.NET MVC, Web API, PowerShell, IIS, T-SQL, Microsoft SQL Server, Event Viewer, Serilog, Log4Net, Azure, Google, AWS, Docker, Azure DevOps, Jenkins, GitHub Actions, Jira
19h
Save
Mark Applied
Hide
Mac Support Engineer
Ashburn, Virginia, United States
OnsiteFull Time
1+ YOESupport and administer macOS enterprise environments using Jamf and other management tools; deskside support, macOS imaging/patching, AD/PIV auth, scripting, and security hardening. US citizenship and ability to obtain Public Trust required.
Jamf Pro, Jamf, Microsoft Intune, Active Directory, ServiceNow, Beyond Trust Remote Support, M365, MS Active Directory
16h
Save
Mark Applied
Hide
Technical Support Engineer, Axon 911
Sterling, Virginia, United States
HybridFull Time
5+ YOE5+ years tier-2/3 technical support in SaaS or mission-critical environments; strong networking and VoIP knowledge; monitoring and cloud platform experience; strong troubleshooting and communication skills.
Datadog, Grafana, Wireshark, AWS, Azure, Google Cloud Platform
2mo
Save
Mark Applied
Hide
QA Analyst / Helpdesk Support Engineer
Sterling, Virginia, United States
$75k-$85k/yr HybridFull Time
3+ YOE3+ years in QA testing, helpdesk/support; manual testing; defect tracking tools (Jira/Azure DevOps); Agile; DMV area; familiarity with Salesforce/SharePoint; automation testing experience a plus.
Jira, Azure DevOps, Salesforce, SharePoint, Postman, Selenium, TestComplete
1mo
Save
Mark Applied
Hide
Systems Engineer (TD Support)
Chantilly, Virginia, United States
$110k-$180k/yr OnsiteFull Time
3+ YOEMust maintain TS/SCI with polygraph; 3+ years relevant experience (degree-dependent), ability to develop traceable requirements, CONOPS, assess technical risk, forecast technologies, and perform system validation and assessments.
3mo
Save
Mark Applied
Hide
Lab Support Services Engineer - TS/SCI
Sterling or Annapolis Junction
$147k-$199k/yr OnsiteFull Time
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
8+ YOETS/SCI clearance with ability to obtain poly, DoD 8570 IAT II, bachelor in technical field or equivalent, 8+ years experience, US citizenship.
VMware, Active Directory, Ansible, Infoblox, RHEL, Oracle, Windows Server, PKI, VMware vSphere
4w
Save
Mark Applied
Hide
AI/CNO Engineer
Chantilly or Dulles or Melbourne or Tel Aviv
OnsiteFull Time
Experience deploying and managing LLMs in offline environments, cybersecurity or vulnerability research support, API/interface development, and strong systems integration skills; active TS/SCI clearance or ability to obtain polygraph.
Opus, Sonnet, MiniMax, Qwen
1mo
Save
Mark Applied
Hide
Network Engineer, Operations & Support
Henrico or Ashburn
$135k-$191k/yr FieldFull Time
6+ YOE6+ years deploying and operating large-scale production networks; experience with data center physical infrastructure, multi-vendor hardware, IPv4/IPv6, routing/switching protocols (BGP, IS-IS, MPLS, RSVP-TE, VRRP); Bachelor's in CS/CE or equivalent.
Python, Bash
1mo
Save
Mark Applied
Hide
Integration Engineer
Fairfax or Ashburn
$145k-$160k/yr HybridFull Time
2+ YOEBachelor's in CS or related (or equivalent experience), US citizen able to obtain Public Trust, 2+ years designing and supporting enterprise systems, proficiency in C++, Python, JavaScript, DevSecOps, containerization, Linux CLI, and Agile.
C++, Python, JavaScript, GitLab, Jira, Kubernetes, OpenShift, Linux, DevSecOps, Agile
4w
Save
Mark Applied
Hide
Database Engineer – GSE (Ground Support Engineer)
Sterling, Virginia, United States
$61k-$114k/yr OnsiteFull Time
0+ YOEBachelor's in a technical discipline or equivalent, 0-2 years database engineering experience, strong relational DB experience (PostgreSQL, MySQL, SQL Server), schema design, performance tuning, and backend integration skills.
PostgreSQL, MySQL, SQL Server, Python, C#, Java, JavaScript, PowerShell, ERP, PLM, MES
2mo
Save
Mark Applied
Hide
Sales Engineer - Data Centers
Denver or Los Angeles or Ashburn or Dallas or Austin or Chicago
RemoteFull Time
3+ YOETechnical sales support for data centers; remote/hybrid; travel ~50%; BS in engineering; 3+ years in data center sales; willing to travel; strong communications.
Salesforce, PowerPoint, Excel
4w
Save
Mark Applied
Hide
Operational Support Specialist, NA
Ashburn, Virginia, United States
$95k-$105k/yr HybridFull Time
3+ YOEBachelor's degree or equivalent experience, 3+ years CMMS management/support, ServiceNow administration preferred, knowledge of ITIL, ability to develop workflows, train users, and support ESM/CMMS platforms; French and English encouraged.
Enterprise Service Management (ESM), CMMS, ServiceNow
1mo
Save
Mark Applied
Hide
Behavioral Support Consultant
Martinsburg, West Virginia, United States
OnsiteFull Time
3+ YOEProvide behavioral support and interventions in schools, conduct FBAs, develop and implement BIPs, coach staff and RBTs, collect behavior data; RBT certification or willingness to obtain and 40-hour BCBA-approved training required.
1mo
Save
Mark Applied
Hide
Jr. AI Prompt Engineer
Ashburn or United States
RemoteFull Time
U.S. citizen with bachelor's degree or equivalent; experience applying AI tools and designing prompts for generative AI; strong analytical, communication, and requirements-gathering skills; ability to support AI adoption and training.
n8n, Make.com, Zapier, LangFlow, APIs
1w
Save
Mark Applied
Hide
Test Engineer / UAT Support Lead (REMOTE)
Chantilly, Virginia, United States
RemoteFull Time
5+ YOEActive Secret clearance, bachelor\u0002s degree in CS/IT or related, 5+ years IT with 3+ years test/integration experience in federal IT, UAT/test program management, familiarity with Okta/SailPoint and ICAM concepts, DoD cybersecurity certification (e.g., Security+), Microsoft Office/Teams proficiency.
Okta, SailPoint, Microsoft Office, Microsoft Teams
1mo
Save
Mark Applied
Hide
Electrical Engineer Level 4 - Electrical Ground Support Equipment - Dulles
Dulles, Virginia, United States
$142k-$213k/yr OnsiteFull Time
4+ YOEUS citizen with a Bachelor’s/Master’s/PhD and relevant experience (minimum 4 years across degree options). Proficiency with LabVIEW, LabWindows CVI and/or C/C++; experience designing test hardware, developing instrument drivers/test scripts, and creating cable/wiring diagrams.
LabVIEW, LabWindows CVI, C, C++, Visio, CREO, Signal Generator, Logic Analyzer, Oscilloscope, DMM, Switching Matrix, AGILE/SCRUM
18h
Save
Mark Applied
Hide
Data Engineer
Chantilly, Virginia, United States
$140k-$195k/yr OnsiteFull Time
3+ YOEDesign and develop scalable AWS cloud-native data platforms, data lakes/warehouses, pipelines, and support AI/ML and BI; 3+ years AWS data platform experience, TS/SCI with poly, Bachelor's in CS, Python and SQL experience.
Pyspark, Spark, Databricks, EMR, GitHub, Amazon Web Services (AWS), Python, SQL
1d
Save
Mark Applied
Hide
Post Quantum Cryptography Engineer
Ashburn, Virginia, United States
$78k-$176k/yr HybridFull Time
Experience in post-quantum cryptography, software development or network engineering; ability to develop technical documentation and support accreditation; bachelor’s degree in Physics, Mathematics, or Computer Science; ability to obtain Secret clearance.
Python, Rust, C++, Linux, Windows
1mo
Save
Mark Applied
Hide
Senior Manager, Data Center Support Services
Ashburn, Virginia, United States
$108k-$264k/yr OnsiteFull Time
6+ YOE6+ Mgmt6+ years managing data center or technical support teams; strong knowledge of server and network maintenance, SOP/MOP compliance, vendor and outage management, project oversight, and team development.
1mo
Save
Mark Applied
Hide
Principal Systems Engineer - Defense
Ashburn or Tewksbury or Boston or Nashua
$144k-$190k/yr OnsiteFull Time
10+ YOE10+ years supporting US DoD primes, expertise in hardware/software development, integration and test for military vehicle applications, expert with DOORS and Cameo, Clearquest/JIRA/Rational, Linux/VxWorks, SOSA/VPX, and serial/network protocols.
DOORS, Cameo, Clearquest, JIRA, Rational Development Tools, Linux, VxWorks, SOSA, VPX, MIL-STD-1553, RS422, RS485, RS232, 10G Gigabit Ethernet, 100G Gigabit Ethernet, PCIe, USB, DO-254, DO-178, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Project