Jobs in the United States

25+ jobs

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Added 2 mins ago
Custom Software Engineer
Accenture Federal Services
Dayton, OH
Accenture Federal Services is seeking a Full Stack Software Engineer to join the Solutions Team. The ideal candidate will join a highly skilled, multi-discipline software development team…
Added 2 mins ago
Custom Software Engineer
Accenture Federal Services
Dayton, OH
Accenture Federal Services is seeking a Full Stack Software Engineer to join the Solutions Team. The ideal candidate will join a highly skilled, multi-discipline software development team…
Added 3 mins ago
Systems Engineer, SME
Odyssey Systems Consulting Group, Ltd.
Colorado Springs, CO
Odyssey is recruiting for a Systems Engineer, SME to join the team. The technical expert filling this position will be an engineering trusted advisor and consultant to the government that…
Added 5 mins ago
DevSecOps Engineer
Steampunk
McLean, VA
As a DevSecOps Engineer, you will work with our growing DevSecOps practice delivering features to support cloud and application development. We are looking for candidates with experience…
Added 5 mins ago
Field Technician II
Harbor IT, LLC
Boston, MA
Harbor IT is a leading Managed Service Provider (MSP) specializing in delivering cutting edge Cybersecurity, IT, and Cloud Services to a diverse portfolio of clients. We pride ourselves on…
Added 10 mins ago
NI
Software Security Engineer - DevSecOps, SME
Navstar Inc.
Chantilly, VA
- $190,000 to $240,000 USD / year
Navstar is seeking an experienced, hands-on Software Security Engineer to design, develop, and implement secure software solutions supporting an enterprise AWS cloud migration and…
Added 12 mins ago
Staff Software Engineer, Pentest Experience
Horizon3
Remote, United States
Horizon3 is a fast-growing, remote cybersecurity company dedicated to the mission of enabling organizations to proactively find and fix and verify exploitable attack vectors before…
Added 12 mins ago
H
Principal Backend Engineer, Enterpise Platform
Horizon3
Remote, United States
- $255,000 to $295,000 USD / year
Horizon3 is a fast-growing, remote cybersecurity company dedicated to the mission of enabling organizations to proactively find, fix and verify exploitable attack vectors before criminals…
Added 12 mins ago
H
Senior Full-Stack Engineer, Autonomous Defense
Horizon3
Remote, United States
- $195,000 to $235,000 USD / year
Horizon3 is a fast-growing, remote cybersecurity company dedicated to the mission of enabling organizations to proactively find, fix and verify exploitable attack vectors before criminals…
Added 12 mins ago
Sr. SOC Engineer
Revolutional, LLC
Memphis, TN · New Carrollton, MD
We are seeking a Sr. SOC Engineer to lead the engineering, architecture, deployment, and improvement of the cybersecurity tools and capabilities that support a Security Operations Center…
Added 12 mins ago
SOC Security Engineer
Revolutional, LLC
Memphis, TN · New Carrollton, MD
We are seeking a SOC Engineer to engineer, deploy, maintain, and improve the cybersecurity tools and capabilities that support a Security Operations Center (SOC) for a large federal agency…
Added 17 mins ago
SO
Energy/Utilities Engineer 3
State of Washington
Lacey, WA
- $84,528 to $110,952 USD / year
The Washington Utilities and Transportation Commission (UTC) is seeking to fill the role of an Energy/Utilities Engineer 3 position within the Telecommunications Section of the Regulatory…
Added 19 mins ago
Network Services Engineer
Abacus Technology
Hanscom AFB, MA
Abacus Technology is seeking a Network Services Engineer to support voice and data networks for the Command, Control, Communication, Intelligence and Networks (C3I&N) Directorate at Hanscom…
Added 21 mins ago
WI
(USA) Staff, Systems And Infrastructure Engineer, Information Security
Walmart Inc.
United States
- $110,000 to $220,000 USD / year
As a Staff Systems and Infrastructure Engineer in Information Security, you will design and maintain scalable, secure infrastructure solutions aligned with business and technical…
Added 22 mins ago
Cloud Security Engineer (AWS & GCP)
Quantum Sky
United States
Quantum Sky is hiring a Cloud Security Engineer (AWS & GCP) to join our team of cloud, security, and compliance experts. This role is primarily focused on day‑to‑day security engineering,…
Added 22 mins ago
TL
Principal Engineer, Security AI Tooling and Automation
TransUnion LLC
Chicago, IL
- $168,750 to $281,250 USD / year
…problems that require new technical approaches. The Sr. Principal Engineer, Security AI Tooling and Automation reports to the SVP, Cyber Defense and serves as a founding senior engineer in…
Added 24 mins ago
Staff Security Engineer - Calix Cloud
Calix North America
Remote, United States
We’re looking for a Staff Security Engineer to define and strengthen the trust architecture connecting our devices, customers, and cloud platform. In this highly influential, hands-on role,…
Added 25 mins ago
CV
Information Security Engineer
Chimes VA Brand
BALTIMORE, MD
- $31.82 to $56.94 USD / hour
Chimes | Information Security Engineer | Remote Position
Added 25 mins ago
Information Systems Security Officer
Two Six Technologies
Arlington, VA
3+ years of experience working within classified (Collateral, SCIF, SAP-F) environments as an ISSO, Network Engineer, Cybersecurity Analyst, SOC Analyst or related role
Added 28 mins ago
Lead ASIC Verification Engineer
General Dynamics Mission Systems, Inc
Remote, United States
As a Lead ASIC verification engineer for the Bitttercloud II program at Idaho Scientific a business segment within General Dynamics Mission Systems, you’ll support a cross functional team…
Added 33 mins ago
Staff Software Engineer - IAM
General Motors
Des Moines, IA
We’re looking for a Security Software Engineer to join the Security Products Engineering team and drive the design and implementation of security-focused software and services across GM.…
Added 33 mins ago
Information System Security Engineer
Castelion Corporation
Torrance, CA · Torance, CA
The Information System Security Engineer (ISSE) at Castelion is responsible for translating security requirements into tested controls for classified information systems. In this role, you…
Added 39 mins ago
Senior Security Engineer - General
Muon Space
San Jose, CA
Muon seeks a Senior Security Engineer to join our Security Engineering & IT team. The ideal candidate brings deep expertise across multiple security domains and can operate independently to…
Added 41 mins ago
C
Information Security Engineer
Chimes
BALTIMORE, MD
- $31.82 to $56.94 USD / hour
Chimes | Information Security Engineer | Remote Position
Added 41 mins ago
Scientist, Systems Engineer
L3Harris Technologies
Palm Bay, FL
Experience supporting programs with multi-level security, cybersecurity, or information assurance requirements.

Robert Half

Senior Systems Engineer

Avondale, AZ, United States

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Job details

Apply by: Dec 4, 2026
Experience: 5+ years of progressive systems engineering or infrastructure administration experience.
Posting language: English
Posted: Nov 3, 2026

Original job description

We are seeking an experienced Senior Systems Engineer to lead the design, administration, optimization, and support of a complex enterprise infrastructure environment. This role is responsible for ensuring the performance, security, scalability, and reliability of critical systems spanning on-premises, hybrid, and cloud-based technologies. The ideal candidate will bring deep expertise across server infrastructure, virtualization, cloud platforms, storage solutions, identity management, and enterprise collaboration technologies. This individual will serve as a technical leader, driving infrastructure modernization initiatives while maintaining highly available and secure systems that support business operations.

What You'll Do Infrastructure Strategy & Architecture

Partner with IT leadership and business stakeholders to assess current and future infrastructure needs.
Develop and maintain infrastructure roadmaps supporting growth, security, resiliency, and operational efficiency.
Create and maintain technical documentation, system architecture diagrams, procedures, asset inventories, and operational standards.
Contribute to disaster recovery, business continuity, and infrastructure governance initiatives.
Provide technical leadership, mentoring, and guidance to junior team members and cross-functional IT teams.

Systems Engineering & Deployment

Design, implement, and maintain enterprise server, storage, virtualization, and cloud environments.
Lead infrastructure upgrades, migrations, consolidations, and modernization projects.
Evaluate and recommend emerging technologies, platforms, and cybersecurity best practices.
Collaborate with technology vendors and service providers to implement and support infrastructure solutions.
Identify opportunities for automation, performance improvement, and operational efficiency.

Enterprise Systems Administration

Administer and support Windows Server and Linux environments.
Manage VMware vSphere, VMware Cloud Foundation, and enterprise storage platforms.
Support Microsoft Azure and Microsoft 365 services, including Exchange Online, Teams, and SharePoint.
Administer Active Directory, Microsoft Entra ID, Group Policy, DNS, DHCP, and certificate services.
Monitor system performance, availability, capacity, and overall infrastructure health.
Develop and maintain automation using PowerShell and other scripting tools.

Security, Backup & Disaster Recovery

Manage patching, system updates, and vulnerability remediation activities.
Implement and maintain infrastructure security controls, identity management, and access governance.
Support security audits, compliance initiatives, and cybersecurity best practices.
Administer backup and recovery platforms and validate disaster recovery procedures through regular testing.
Ensure business-critical systems meet availability, security, and recovery objectives.

Operational Support

Troubleshoot and resolve complex infrastructure, virtualization, storage, and cloud-related issues.
Maintain operational documentation and change management records.
Participate in an on-call rotation providing after-hours support for critical systems and services.

Required Qualifications

Bachelor's degree in Information Technology, Computer Science, or a related field; equivalent experience will be considered.
5+ years of progressive systems engineering or infrastructure administration experience.
Hands-on experience supporting enterprise Windows and Linux server environments.
Strong expertise with virtualization technologies, including VMware vSphere and VMware Cloud Foundation.
Experience administering Microsoft Azure and Microsoft 365 environments.
Advanced knowledge of Active Directory, Microsoft Entra ID, Group Policy, DNS, DHCP, and PKI environments.
Experience with enterprise storage, backup, disaster recovery, and business continuity planning.
Strong understanding of infrastructure security, vulnerability management, patching, and system hardening.
Experience with PowerShell scripting and infrastructure automation.
Working knowledge of networking concepts including TCP/IP, VLANs, routing, switching, and firewalls.
Proven experience leading system upgrades, migrations, and infrastructure transformation initiatives.

Preferred Qualifications

Microsoft Azure Administrator Associate, Microsoft 365 Administrator Expert, or related Microsoft certifications.
VMware Certified Professional (VCP).
NetApp Certified Data Administrator (NCDA).
Experience with Hyper-V, Kubernetes, and containerized environments.
Familiarity with ITIL-based service management practices, including change, incident, and problem management.

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