HiringCafe
Join our community

17 tier 3 support engineer jobs at 12 companies in Frederick, MD

1w
Save
Mark Applied
Hide
Support Engineer (Tier 3) — Cloud Platform & Integrations
Washington, District of Columbia, United States
RemoteFull Time
NIRA
NIRA: Provides IT solutions, systems engineering, and program management services.
5+ YOERequires 5+ years of technical or systems support experience, including 2+ years at Tier 3 level, cloud troubleshooting, AWS, SQL, APIs, ITSM, SSO, U.S. citizenship, bachelor's degree, and DOJ Public Trust eligibility.
FedRAMP, AWS, AWS GovCloud, ITSM, eDiscovery, SIEM, SCSM, ServiceNow, SQL, API, SSO, SAML, OIDC, Python, PowerShell, Cellebrite, Relativity, Everlaw
Job PostingView all
4w
Save
Mark Applied
Hide
Microsoft 365 Tier 3 Support Engineer (Executive Collaboration Services)
Washington, District of Columbia, United States
$95k-$102k/yr OnsiteFull Time
Concept Solutions: Provides IT systems and engineering for federal government agencies.
5+ YOEBachelor's degree,5+ years in configuration/change management or related IT discipline,Tier 3 executive support experience,advanced Microsoft 365 troubleshooting,PowerShell and ServiceNow experience,FAA suitability clearance required.
Exchange Online, Outlook Web Access (OWA), Microsoft Teams, Microsoft 365, Planner, Whiteboard, Power Platform, Google Gemini, Google NotebookLM, PowerShell, MFCMAPI, ServiceNow, Power BI, Power Apps, Power Automate, Microsoft Word, Microsoft Excel, Microsoft PowerPoint
Job PostingView all
2w
Save
Mark Applied
Hide
Technical Support Engineer, Axon 911
Sterling, Virginia, United States
HybridFull Time
Axon
AxonNASDAQ: AXON: Develops weapons and software for law enforcement and safety.
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
Job PostingView all
1w
Save
Mark Applied
Hide
Sr. Voice & Video Engineer (Tier III)
Washington, District of Columbia, United States
$135k-$216k/yr OnsiteFull Time
Peraton
Peraton: National security and mission-critical government technology services provider.
8+ YOEBachelor's degree in IT or equivalent experience, 8 years of related experience, 3 years supporting Cisco CUCM, VoIP expertise, CCST Networking, IAT Level II certification, and active TS/SCI clearance.
Cisco CUCM, SolarWinds, Splunk, Variphy, VoIP
Job PostingView all
6d
Save
Mark Applied
Hide
Sr. Voice & Video Engineer (Tier III)
Washington, District of Columbia, United States
$135k-$216k/yr OnsiteFull Time
Peraton
Peraton: Provides advanced technology and mission support for government agencies.
8+ YOEBachelor's degree in IT or equivalent experience, 8 years related experience or 4 years substituted for degree, TS/SCI clearance, IAT Level II certification, CCST Networking, and 3 years supporting Cisco CUCM.
VoIP, Cisco CUCM, ITIL, SolarWinds, Splunk, Variphy
Job PostingView all
2w
Save
Mark Applied
Hide
Storage Engineer
Washington, District of Columbia, United States
$130k-$140k/yr OnsiteFull Time
Galapagos Federal Systems
Galapagos Federal Systems: Provides IT and cybersecurity services for federal defense programs.
8+ YOEActive TS/SCI clearance,8+ years enterprise storage experience in DoD/IC,expertise with SAN/NAS,replication,backup,DR,capacity planning,patching,Tier 3 support,ability to support after-hours operations,Bachelor's or equivalent.
NetApp ONTAP, Dell EMC, VMware
Job PostingView all
2mo
Save
Mark Applied
Hide
Senior Telecommunications Engineer
Springfield or United States
RemoteFull Time
Maximus
MaximusNYSE: MMS: Provides government health and human services program administration.
7+ YOEAbility to obtain Public Trust; bachelor\u0002s or equivalent; 7+ years telecom/unified communications experience supporting enterprise VoIP and VTC; QoS/VLANs/routing and Tier 2/3 troubleshooting experience.
VoIP, VTC, QoS, VLANs, routing, ITIL, ITSM, ITOM
Job PostingView all
1mo
Save
Mark Applied
Hide
Cyber System Security Engineer Staff
Hanover, Maryland, United States
$124k-$246k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
4+ YOETS/SCI with poly required; bachelor's in EE/CS or related (or equivalent experience); minimum 4 years relevant experience (2 with Master's); system administration, integration, testing, Linux/Windows, Tier 3 troubleshooting, documentation, and field support experience.
Linux, Windows
Job PostingView all
2mo
Save
Mark Applied
Hide
GD168 Science Data Center Operations Technical Support Developer
Greenbelt, Maryland, United States
OnsiteFull Time
ADNET Systems
ADNET Systems: Provider of information systems and scientific research services to government agencies.
2+ YOEB.S. in a related field, 2+ years UNIX/Linux, SQL and database use, 2+ years software development/maintenance in Python, C, or Perl, familiarity with data formats/metadata, strong troubleshooting and communication, US citizen/LPR with 3 years residency, ability to obtain NASA Tier 1 investigation.
UNIX, Linux, SQL, Python, C, Perl, Elasticsearch, Kibana, Grafana, AWS
Job PostingView all
2w
Save
Mark Applied
Hide
Senior Intune Engineer
Washington, District of Columbia, United States
HybridFull Time
SkyePoint Decisions
SkyePoint Decisions: Provider of cybersecurity, infrastructure, and IT development services.
7+ YOEHands-on Intune, MS Entra ID, and Microsoft Configuration Manager experience; Tier-3 support, AzureArc and Autopatch experience; Power BI reporting; bachelor's or master's degree with extensive related experience; active Secret clearance and U.S. citizenship required.
Microsoft Configuration Manager (MCM), Microsoft Intune, MS Entra ID, Microsoft AzureArc, Windows Autopatch, Power BI, PowerShell
Job PostingView all
1mo
Save
Mark Applied
Hide
Applications Developer
Potomac or Maryland
OnsiteFull Time
Kepora
Kepora: A technology building integrated enterprise IT solutions to support talent management and learning.
Requires U.S. citizenship and active TS/SCI with Full Scope Polygraph; demonstrated ServiceNow application development, Jira, version control (GitHub/Subversion), Tier 1-3 support, API/DB interfacing, reporting, and IT documentation experience.
ServiceNow, Jira, GitHub, Subversion, HTML5, CSS, XML, JavaScript, Tableau
Job PostingView all
1w
Save
Mark Applied
Hide
Firewall Operations Engineer
Beltsville or Laurel or Virginia
$75k-$95k/yr HybridFull Time
SkyePoint Decisions
SkyePoint Decisions: Provider of cybersecurity, infrastructure, and IT development services.
2+ YOEBachelor's degree and 2–4 years' experience or equivalent; 3–5 years' Tier I/II IT support; firewall, networking, proxy, packet filtering, TCP/IP, and Palo Alto experience; U.S. citizenship and interim Secret clearance required.
ServiceNow, Palo Alto, Panorama, FortiGate, Cisco Email Security Appliance (ESA), A10, Cloudflare, Azure Firewall, NeuralStar, TCP/IP, Microsoft Visio, CLI, CMMI
Job PostingView all
3w
Save
Mark Applied
Hide
SQL Developer/DBA
Bethesda, Maryland, United States
HybridFull Time
Imagineeer
Imagineeer: Provides federal AI modernization and systems integration services.
5+ YOE5+ years Microsoft SQL Server DBA experience, SQL development, performance tuning, backups/recovery, DTS/ETL, SSRS, GitHub, IIS; ability to obtain Public Trust clearance and provide Tier-3 support.
Microsoft SQL Server, Data Transformation Service (DTS), GitHub, IIS, Microsoft SQL Server Reporting Services (SSRS), SQL, ODBC, JDBC, FTP
Job PostingView all
2mo
Save
Mark Applied
Hide
GD165 Hydrology Data Support Scientist
Greenbelt, Maryland, United States
OnsiteFull Time
ADNET Systems
ADNET Systems: Provider of information systems and scientific research services to government agencies.
4+ YOEMS/BS in earth/environmental/hydrology/civil engineering or related; 4+ years related experience with 3+ years supporting satellite mission data; scientific programming (Python, IDL, Perl, Fortran, C, GRADS); experience with HDF/HDF‑EOS, HDF5, netCDF4, GRIB; strong communication and project leadership; US citizen or LPR with 3+ years residency; abi...
HDF, HDF-EOS, HDF5, GRADS, netCDF, netCDF4, GRIB, IDL, Python, Perl, Fortran, C, Giovanni, UNIX, Linux
Job PostingView all
1mo
Save
Mark Applied
Hide
Full Stack Developer
Annapolis Junction, Maryland, United States
$70k-$285k/yr OnsiteFull Time
Athenix Solutions Group
Athenix Solutions Group: Provides cybersecurity, systems engineering, and training for defense agencies.
TS/SCI with Polygraph required. Experience developing back-end services in Python, web UIs with Java/JavaScript/HTML, Active MQ, REST, NoSQL/elastic databases, Atlassian (JIRA, Confluence), Linux, CI/CD; test validation and Tier 3 support experience.
Python, Java, JavaScript, HTML, Active MQ, REST, NoSQL, elastic databases, JIRA, Confluence, Linux, CI/CD
Job PostingView all
3w
Save
Mark Applied
Hide
Application Programmer - Software Developer - EG
Washington, District of Columbia, United States
$75k-$90k/yr HybridFull Time
Diaconia
Diaconia: Provides secure IT modernization and engineering for government agencies.
3+ YOE3+ years MVC.NET/C#/Visual Studio experience, Microsoft DevOps, U.S. citizenship, active Secret clearance; experience with T-SQL, Bootstrap, RESTful services, JavaScript; Agile and Tier-3 support experience preferred.
MVC.NET, C#, Visual Studio, Microsoft DevOps, GIT, Bootstrap, Razor, HTML/CSS, T-SQL, PL/SQL, JavaScript
Job PostingView all
1mo
Save
Mark Applied
Hide
BI Administrator (IT@JH Univ Data Analytics & Engineering)
Baltimore, Maryland, United States
$86k-$150k/yr RemoteFull Time
Johns Hopkins University
Johns Hopkins University: A private research university providing higher education and clinical healthcare.
6+ YOEBachelor's degree, 6+ years related experience; administer enterprise BI platforms (Tableau Cloud, Power BI, Microsoft Fabric); Tier 2/3 support, gateway/bridge coordination, governance, documentation, and cross-team collaboration.
Tableau Cloud, Power BI, Microsoft Fabric, Teams, SharePoint
Job PostingView all

Explore Jobs

Expand Your Job Search