303 senior it systems engineer jobs at 229 companies in United States

PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
2mo
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IT Systems Engineer – Senior
Washington, District of Columbia, United States
OnsiteFull Time
C3EL
C3EL: Designs and integrates mission-critical command and control systems.
8+ YOEU.S. Citizenship; DoD-8570 IAT Level 2; 8+ years systems engineering/IT infrastructure; Windows/Linux, virtualization, cloud; scripting; strong documentation.
PowerShell, Python, Bash, Windows Server, Linux, VMware, Hyper-V, AWS, Azure, Terraform, Ansible, Docker, Kubernetes
1mo
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Senior IT Systems Engineer
San Francisco, California, United States
$142k-$237k/yr HybridFull Time
Intercom
Intercom: AI-first customer service platform for automated and human support.
7+ YOE7+ years as a Systems Engineer; strong problem-solving; experience with iPaaS and enterprise email deliverability a plus; cloud infra (AWS); automation and scripting; ability to coach juniors.
AWS, Okta, Google Workspace, Jamf Pro, Intune, Tines, Workato, Ruby, Python, Perl, Netsuite
1mo
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Senior IT Systems Engineer – Infrastructure & Automation
Menlo Park, California, United States
HybridFull Time
LeoLabs
LeoLabs: Provides orbital intelligence and space domain awareness services.
7+ YOESenior IT systems engineer focused on infrastructure, automation, and project leadership.
Windows, macOS, Microsoft 365, Entra ID, Office applications, Teams, SharePoint, Exchange, Licensing/Group management, PowerShell, Jamf Pro, Intune, Defender, Sentinel, Jira, Confluence, ITSM/ESM, VLANs, DNS, DHCP, VPN, RADIUS, NAC, 802.1X
1w
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Senior IT Systems Engineer
Waltham, Massachusetts, United States
$120k-$196k/yr HybridFull Time
Evolv Technology
Evolv TechnologyNASDAQ: EVLV: Provides AI-powered touchless weapons detection and security screening systems.
Senior-level IT systems experience managing cloud (AWS/Azure), identity, endpoint, network, and cybersecurity tooling; strong communication and leadership to support compliance (SOC 2, ISO 27001).
Microsoft 365, Microsoft Teams, Microsoft SharePoint, Intune, Jamf, AWS, Azure, EC2, S3, IAM, VPC, Route 53, Okta, Entra ID, Linx, Palo Alto, Cisco, Meraki, SIEM, EDR, SD-WAN, VPN, ZTNA
2mo
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Senior IT Systems Engineer
United States
$85k-$135k/yr RemoteFull Time
Veeva Systems
Veeva SystemsNYSE: VEEV: Cloud-based software solutions for the global life sciences industry.
3+ YOE3+ years administering enterprise systems (Google Workspace/Zoom); bachelor’s in IT or related field; strong communication and problem-solving; US work eligibility.
Google Workspace, Zoom, Microsoft 365
1mo
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Senior IT Systems Engineer
United States
$160k-$200k/yr RemoteFull Time
Cadence
Cadence: A clinical AI that delivers continuous, proactive care for older adults with chronic conditions.
5+ YOE5+ years in IT systems engineering; automation-first approach; proficiency with Python or TypeScript, Git, REST APIs and webhooks; experience with Okta/Okta Workflows or Tines, Google Workspace, Slack, Zoom, Terraform, networking, security, and LLM APIs.
Python, TypeScript, Git, REST APIs, webhooks, Okta, Okta Workflows, Tines, Google Workspace, Slack, Zoom, Terraform, LLM APIs
1mo
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Senior IT Systems Engineer
El Segundo, California, United States
$130k-$160k/yr OnsiteFull Time
HiveWatch: Provides an AI-powered platform for centralizing physical security operations.
6+ YOE6+ years of technical support for SMBs; IAM tools with SSO; SOC 2 experience; MacOS and Windows support; cloud providers; network troubleshooting; strong comms.
Google Workspace, Microsoft 365, MDM, IAM, AWS, Azure, GCP, VMware ESXi, Proxmox, AHV, GitHub, VPN, SOC 2, SaaS
1d
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Controls & IT Systems Engineer
Duncansville, Pennsylvania, United States
OnsiteFull Time
Wieland
Wieland: Global manufacturer of copper and copper alloy products.
7+ YOEDesign, implement, and support industrial control systems, OT/IT infrastructure, and business systems; 7+ years experience; bachelor's in engineering/IT; cybersecurity awareness; project management skills.
PLC, HMI, SCADA, VFD, Ethernet/IP, Profinet, Modbus, OPC, ERP, MES, CMMS, SAP, Microsoft 365, Servers, cloud platforms, industrial Ethernet
2mo
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Senior IT Systems Engineer
New York City, New York, United States
$153k-$190k/yr OnsiteFull Time
Garner Health
Garner Health: Identifies high-quality doctors to lower employer healthcare costs.
4+ YOE4–7+ years IT, automation, or platform engineering; strong scripting in Python/Go/Node.js/PowerShell; API-driven automation; infrastructure-as-code; security and compliance awareness.
Okta, Retool, FreshService, Google Workspace, Slack, Atlassian Jira Confluence, MDM (Jamf Pro, Kandji, Intune), Airtable, AWS, GCP, Terraform, Rippling, SOAR (Tines), AI tooling (Claude, Gemini, OpenAI)
1mo
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Senior IT Systems Engineer
Ashville, Ohio, United States
$126k-$167k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
7+ YOE7+ years IT infrastructure engineering experience across on-prem and cloud (AWS/Azure/GCP); Linux, virtualization, storage (Pure Storage/VAST Data), IaC (Terraform/Ansible/CloudFormation), scripting (Python/Bash/PowerShell), networking, and CI/CD experience required; must obtain US Secret clearance.
Lattice OS, AWS, Azure, GCP, VMware, Pure Storage, VAST Data, Terraform, Ansible, CloudFormation, Python, Bash, PowerShell, Linux, Hyper-V, Jenkins, GitLab CI, CircleCI, Prometheus, Grafana, ELK stack, CloudWatch
3mo
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Senior Systems Engineer (IT Infrastructure)
Tysons, Virginia, United States
OnsiteFull Time
Avint
Avint: Delivers cybersecurity engineering and compliance for federal agencies.
5+ YOEBachelor’s in engineering or computer science, 5+ years of systems engineering; Master’s preferred; DoD 8570 IAT Level II; Top Secret/SCI with polygraph clearance; extensive IT infrastructure and security experience.
VMware ESXi, vSphere, Windows Server, Active Directory, Group Policy, DNS, DHCP, PKI, Certificate Authorities, PowerShell, Python, Bash, JSON, SCCM, OS Deployment, NetApp, Dell EMC, Pure Storage, DISA STIGs, SQL Server, SharePoint
1d
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Lead IT Systems Engineer - REMOTE
Cincinnati, Ohio, United States
$90k-$110k/yr RemoteFull Time
Reflect Health
Reflect Health: Provides administrative services and technology for self-funded health plans.
Hands-on experience in identity and access management, workflow automation, VDI, scripting (PowerShell/Python) and system integration; senior technical background in IT engineering or systems administration.
Okta, Microsoft Entra ID (Azure Active Directory), Active Directory, Jira, Jira Service Management, PowerShell, Python, APIs, Azure Virtual Desktop, Citrix, VMware Horizon, Windows 365
1mo
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IT Systems Engineer
Colorado Springs, Colorado, United States
$120k-$160k/yr OnsiteFull Time
SAIC
SAICNYSE: SAIC: Provides engineering, IT, and mission support services to government.
5+ YOEBachelor's in a technical field and 5+ years' systems engineering experience; proficiency with cloud platforms, virtualization, automation tools, networking, and security; active Secret clearance and US citizenship required.
AWS, Microsoft Azure, Google Cloud (GCP), VMware, Microsoft Hyper-V, Puppet, Ansible, Terraform, Splunk, Tenable, NIST, RMF
3w
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Senior IT Systems Engineer - JobID-0239
Arlington, Virginia, United States
$135k-$273k/yr OnsiteFull Time
Innovative Defense Technologies
Innovative Defense Technologies: A defense technology delivering automated software and systems solutions to the U.S. government.
7+ YOE2+ MgmtActive Secret clearance required, 7+ years relevant experience with 2+ years leading technical teams. Experience with VMware/Red Hat/Windows, Bash/C/Python scripting, networking (TCP/IP, VLAN, DHCP), DISA STIGs, patching in air-gapped networks, and hardware provisioning. Ability to travel up to 25%.
Red Hat, Microsoft Windows, VMWare, VMWare NSX-T, Bash, C, Python, Ansible, PowerShell, Chef, Salt, Puppet, Cisco, Ruckus, DISA STIG, TCP, UDP, VLAN, DHCP
2mo
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IT Systems Engineer 3 - Annapolis Junction, MD
Annapolis Junction, Maryland, United States
$104k-$156k/yr OnsiteFull Time
M.C. Dean
M.C. Dean: Design-build and systems integration for complex, mission-critical infrastructure.
5+ YOEBachelor's degree in engineering or computer science with 5+ years of system solutions experience; TS/SCI with polygraph clearance required; DoD 8570 IAT Level-II; strong systems engineering, cybersecurity, and scripting skills.
VMware, VMware vSphere, Windows Server, DNS, DFS, DHCP, WSUS, KMS, Active Directory, PKI, PowerShell, Python, JSON, Bash, Microsoft Windows Deployment and Administration, Office tools (Excel, Word, PowerPoint, Visio)
3mo
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IT Systems Engineer
Columbus, Ohio, United States
HybridFull Time
Benesch
Benesch: Provides comprehensive legal counsel and representation for businesses nationwide.
7+ YOESeven+ years in systems engineering or cloud administration; strong communication; willing to travel; expertise in virtualization, hybrid cloud, VMware, Hyper-V/SCVMM, SAN; Azure, Windows admin, AD, DNS, GPO, Kerberos, CA, IIS; Microsoft 365; IAM; certifications preferred.
VMware vSphere, Hyper-V, SCVMM, SAN, Azure, Windows Server, Active Directory, DNS, Group Policy, Kerberos, Certificate Authority, IIS, Microsoft 365, Identity and Access Management
4w
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Senior IT Systems Engineer
Moline, Illinois, United States
$49k-$58k/yr OnsiteFull Time
Black Hawk College
Black Hawk College: Provides community college education and vocational training programs.
2+ YOEBachelor's in a computer-related field (or Associate's + 2 yrs systems admin experience). Minimum 2 years IT experience with Active Directory, Cisco, firewall, Linux/Windows; virtualization, identity/access management, system analysis, and database competency. Valid driver’s license required.
Microsoft 365, Microsoft Active Directory, Microsoft Entra ID, Microsoft Exchange Online, Microsoft Teams, Microsoft SharePoint, Microsoft OneDrive, Microsoft Intune, Microsoft SCCM, Linux, Windows, VMware, VMware Horizon, Cisco, Microsoft Access, Oracle, SQL Server, HTML, Visual Basic
2d
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Senior IT Systems Engineer
Atlanta or Raleigh or Indianapolis or Louisville
RemoteFull Time
Lucidworks
Lucidworks: AI-powered search and discovery platform for digital experiences.
Design, implement, and operate secure, reliable corporate infrastructure; experience with virtualization, cloud, containerization, Linux/Windows servers, identity and endpoint management; strong security and collaboration skills.
Okta, Jamf, Google Workspace, SAML, SCIM, Linux, Windows, MDM, SaaS
2mo
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IT Systems Engineer 3 (Senior) - NIGC (DC, Washington)
United States
OnsiteFull Time
Technology Automation & Management (TeAM)
Technology Automation & Management (TeAM): Provides IT and program management services to federal agencies.
Senior IT Systems Engineer responsible for hybrid on-premises and Azure cloud, FISMA/NIST, M365 Entra ID, STIGs, patching, disaster recovery, security compliance.
Cisco, VMware, Azure, M365, Entra ID, FISMA, NIST, STIG
2mo
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IT Systems Engineer
Lowell, Massachusetts, United States
$95k-$154k/yr OnsiteFull Time
MACOM
MACOMNASDAQ: MTSI: Designs and manufactures semiconductor products for communications infrastructure.
8+ YOEStrong Linux administration; IT infrastructure; virtualization; provisioning, installation/configuration, operation & maintenance of systems; leadership; 8+ years IT system admin; willing to travel; US persons per ITAR.
Linux, Windows, Virtualization, VMware, Nutanix, Veeam, AWS, Azure, GCP, PowerShell, Python