Systems Engineer
First Onsite - US
A Day in the Life of a Systems Engineer As a Systems Engineer, you'll start your day by monitoring the health, performance, and security of First Onsite's technology environment across AWS and Azure. You'll serve as a key escalation resource for the Service Desk and Infrastructure teams, troubleshooting complex technical issues and helping keep critical systems reliable and available. You'll work with cloud-native technologies, including AWS Lambda serverless applications, containerized workloads, and managed database services such as Amazon RDS and PostgreSQL. Throughout the day, you'll design, deploy, and manage cloud infrastructure while partnering closely with development teams to build scalable and reliable solutions. You'll champion Infrastructure-as-Code practices using Terraform and AWS CloudFormation and collaborate through GitHub to support development and deployment efforts. You'll also maintain strong monitoring and observability across environments, proactively identifying potential issues and using system insights to improve performance, reliability, and overall user experience. You'll also play an important role in strengthening First Onsite's security, compliance, and IT service management practices. You'll manage Microsoft 365 and Microsoft Entra ID, support security and compliance initiatives, and oversee the organization's ServiceNow ITSM environment. You'll help lead incident management and change control while continuously looking for opportunities to improve technology, processes, and operations. Every day, your work will combine advanced technical expertise, proactive problem-solving, and collaboration to help build a secure, resilient, and innovative technology environment. Responsibilities: Provide escalation support to the Service Desk and vendor partners for technical issues Stay current on Office 365 and other platform updates, recommending feature adoption to enhance workflows Monitor and improve security and compliance across Office 365, Azure, ServiceNow, RingCentral, and other systems Deploy, configure, and maintain Windows Servers, Active Directory, and cloud environments (Azure/AWS) Manage and develop knowledge bases, ITSM platforms (ServiceNow), and infrastructure integration projects Own and resolve incidents, changes, problems, and system migrations, ensuring high performance and reliability Assess, implement, and maintain new technologies, automation tools, and patch/security updates Train and coach IT team members on processes, procedures, and best practices Administer VOIP, collaboration, and communication platforms, ensuring scalability and maintainability Design, deploy, and manage cloud infrastructure across AWS and Azure using Infrastructure-as-Code tools (Terraform, AWS CloudFormation) Lead and Execute M365 tenant-to-tenant email and data migrations; integrate infrastructure systems and SaaS applications into the M365 ecosystem Experience & Education: 6+ years designing, implementing, and supporting complex systems and enterprise infrastructure 4+ years managing Microsoft Windows Server, virtualization, Azure, M365, Active Directory, and Azure AD 4+ years migrating emails, files, and systems between M365 tenants and on-premises to cloud solutions 2+ years administering ITIL-based ticketing systems and Microsoft Endpoint Manager for OS, patching, and software deployment Bachelor's degree in Computer Science, Information Systems, or equivalent experience ITIL Foundation certification, preferred AWS Certified Solutions Architect, SysOps Administrator, or equivalent AWS certification, preferred Microsoft Azure Administrator (AZ-104) or Azure Solutions Architect (AZ-305) certification, preferred HashiCorp Terraform Associate certification, preferred Experience with containerization (Docker, Kubernetes, Amazon ECS/EKS), preferred Familiarity with DevSecOps practices and cloud security frameworks (AWS Well-Architected, CIS Benchmarks), preferred First Onsite provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training. First Onsite (and its Companies) participates in E-Verify. We will provide the U.S. Social Security Administration (SSA) and, if necessary, the U.S. Department of Homeland Security (DHS) with information from each new employer's Form I-9 to confirm work authorization. This job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities, and activities may change at any time with or without notice. #J-18808-Ljbffr
$170k - $190k
...Defense and Intelligence Communities in support of national security. Rincon Research Corporation is seeking an Advanced Systems Engineer to serve on the systems engineering team of an end-to-end development program studying, designing, and deploying advanced orbit...SuggestedTemporary workFor contractorsImmediate startFlexible hours- ...Job Description Job Description A Day in the Life of a Systems EngineerAs a Systems Engineer, you'll start your day by monitoring the health, performance, and security of First Onsite's technology environment across AWS and Azure. You'll serve as a key escalation resource...SuggestedWork at officeLocal area
- ...Job Description Job Description ARES Corporation seeks a Human Spaceflight Systems Engineer to join an engineering team supporting United Launch Alliance (ULA) and NASA’s Artemis program. The selected candidate will support critical human spaceflight activities...SuggestedFull timeFor contractorsFor subcontractor
$119k - $136k
...Job Description Job Description Systems Engineer III Centennial, CO Who We Are Aurex is a mission-focused aerospace and defense company building the next frontier of deterrence. From hypersonics and missile defense to hardened networks and orbital systems...SuggestedContract workWork experience placement$50 per hour
...employees by fostering innovation, integrity, and exemplifying the epitome of corporate responsibility.LM Space is seeking a Senior Systems Engineer to support the design, development, verification, and integration of complex aerospace and space systems, translating high...SuggestedFull timeTemporary workWork experience placementCasual workFlexible hours$50 per hour
...designing, developing, and delivering a next-gen wideband MILSATCOM system comprised of integrated space and ground segments that will... ...resiliency. This position will be a key member of the Systems Engineering, Integration and Test (SEIT) team in support of the final...Full timeTemporary workWork experience placementCasual workFlexible hours$79.3k - $147.3k
...Conventional Prompt Strike (CPS) program is creating the first hypersonic system for the U.S. Navy, and we are looking for talented individuals... ...Martin is seeking a highly skilled and motivated Systems Engineer - Systems Integration to join the Conventional Prompt Strike (...Full timeTemporary workWork experience placementCasual workFlexible hours$114k - $142k
OverviewJob SummaryThe Systems Engineer 3 is responsible to ensure complete capture and memorialization of project stakeholder requirements, allocate technical budgets among subsystems, define subsystem interfaces, and create system level CDRL/SDRL’s. Specific areas of...$50 per hour
...delivery, effective collaboration, and security-centric development. Additionally, we leverage Model-Based Engineering and Test Automation to enhance our system architecture, design, and testing processes. By embracing these cutting-edge technologies, we are able to rapidly...Full timeTemporary workWork experience placementCasual workWork at officeWork from homeFlexible hours$50 per hour
...innovate, invest, inspire and integrate our capabilities to transform the future.Lockheed Martin Space is seeking a full-time Orion Systems Engineer. Be a part of the Artemis and Orion teams taking astronauts to the Moon and beyond. As a Systems Engineer on the Orion program...Full timeTemporary workWork experience placementCasual workFlexible hoursShift workAfternoon shift$50 per hour
...capabilities to transform the future. Join us in shaping a new era in space and find a career that's built for you.We are seeking a System Engineer who will support the Orion Electrical Test and Verification Team in test, verification and validation of subsystem...Full timeTemporary workWork experience placementCasual workFlexible hoursShift workNight shiftDay shiftAfternoon shift$79.3k - $147.3k
...customers while maintaining the technical requirements of the strategic deterrence.Lockheed Martin (LM) is seeking a resourceful Systems Engineer to become a member of the Systems Engineering and Integration Team. Specifically focused on Functional/Electrical Interface...Full timeTemporary workWork experience placementCasual workFlexible hours$118k - $219.1k
...FullTimeDepartment: SpaceBusiness Unit: SpaceStandard Job DescriptionThe Next Generation Interceptor (NGI) team is in search of a Mid-Career Systems Engineer to be part of the multi-disciplined engineering team responsible for designing and certifying missile defense technology that...Full timeTemporary workWork experience placementInterim roleCasual workImmediate startFlexible hours$79.3k - $147.3k
...about the Trident II D5 Fleet Ballistic Missile.We want you to support the Fleet Ballistic Missile (FBM) Program by joining the Systems Engineering Integration and Test (SEIT) team as a Systems Engineer. The SEIT Requirements and Verification team handles all System level...Full timeTemporary workFor contractorsWork experience placementCasual workFlexible hours$79.3k - $147.3k
...development, manufacture, integration, and sustainment of advanced technology systems, products, and services. Lockheed Martin (LM) Rotary and Mission Systems (RMS) is looking for engineering professionals to work on the Trusted Security Solutions (TSS) program to engineer...Full timeTemporary workFor contractorsWork experience placementInterim roleCasual workWork at officeRemote workWorldwideFlexible hours$50 per hour
...Experienced ProfessionalFT/PT/Casual: FullTimeDepartment: SpaceBusiness Unit: SpaceStandard Job DescriptionPerforms technical planning, system integration, verification and validation, cost and risk, and supportability and effectiveness analyses for total systems. Analyses...Full timeTemporary workWork experience placementCasual workFlexible hours$50 per hour
...designing, developing, and delivering a next-gen wideband MILSATCOM system comprised of integrated space and ground segments that will... ...resiliency. This position will be a key member of the Systems Engineering, Integration and Test (SEIT) team in support of the final...Full timeTemporary workWork experience placementCasual workFlexible hours$50 per hour
...innovate, invest, inspire and integrate our capabilities to transform the future.Lockheed Martin Space is seeking a full-time Orion Systems Engineer. Be a part of the Artemis and Orion teams taking astronauts to the Moon and beyond. As a Systems Engineer on the Orion program...Full timeTemporary workWork experience placementCasual workFlexible hoursShift workAfternoon shift$50 per hour
...invest, inspire and integrate our capabilities to transform the future.Lockheed Martin Space is seeking a full-time Orion Senior Systems Engineer to be a part of the Artemis and Orion teams taking astronauts to the Moon and beyond. You will be responsible for software...Full timeTemporary workWork experience placementCasual workFlexible hours$95.9k - $178.1k
...shaping a new era in space and find a career that's built for you.Lockheed Martin Space is seeking an experienced Mid Career Systems Engineer Sr. to support a protected comms program, focusing on the design and integration of the Ground Segment for an advanced satellite...Full timeTemporary workWork experience placementCasual workFlexible hours$95.9k - $178.1k
...connect us, ensuring security and prosperity.Join us in shaping a new era in space and find a career that's built for you.As a Systems Engineer Sr, you will:Provide independent review and cross-program coordination to ensure subsystem designs and as-built products are...Full timeTemporary workWork experience placementCasual workFlexible hoursShift work$95.9k - $178.1k
...and prosperity.Join us in shaping a new era in space and find a career that's built for you. We are currently seeking a System Simulation Engineer.As a System Simulation Engineer you will work with a team of Systems, Software, and GNC Engineers in performing the following...Full timeTemporary workWork experience placementCasual workWork at officeFlexible hours$95.9k - $178.1k
...while maintaining the technical requirements of the strategic deterrence.Lockheed Martin Space is currently seeking a Senior Systems Engineer to support the Systems Engineering and Integration Team. The Systems Engineering and Integration Team is responsible for the oversight...Full timeTemporary workWork experience placementCasual workFlexible hours$100k - $130k
...the impossible routine. Come shape the future with us. SPACE SYSTEMS At Rocket Lab, we're not just launching rockets — we're... ...boldest and most ambitious space missions. SENIOR SYSTEM TEST ENGINEER I Based out of Rocket Lab's office in Littleton, CO, the Senior...Permanent employmentWork at officeLocal area$81.7k - $136.16k
...Systems Engineer 2Date: Jun 25, 2026Location: Centennial, CO, US, 80112Company: United Launch AllianceRequisition ID: 1814 Standard Weekly Hours: 40.00 Location: ULA - Denver Relocation: Yes- Relocation may be available Travel Requirements: 25%At ULA, success comes through...Hourly payPermanent employmentRelocationFlexible hours$110k - $155k
...nationally recognized "Great Place To Work", has exciting opportunities providing Engineering solutions for innovative new-entrant space companies, as well as established space systems manufacturers, commercial space system operators and service providers, and other industry...Work at office- ...Systems EngineerRequired Skills & Experience 2-5 years of experience in Systems Engineering, Platform Engineering, Infrastructure Engineering, or a related field. Strong experience administering Linux operating systems in enterprise environments. Hands-on experience with...
- ...Systems Engineer 2We are seeking a Systems Engineer 2 to join our Wi-Fi Development team in the Englewood, CO office. This role will be responsible for performing parametric auditing for all Wireless engineering knowledge is a bonus. This role requires good understanding...Work at office
$108.5k - $149.18k
...and aviation, it is a leading prime manned and unmanned aircraft systems integrator for innovative, high-performance ISR and aviation... ...united and sustain our way of living. Join our team! As a Systems Engineer III, you will handle advanced tasks in requirements engineering...Full timeWork experience placement$95.9k - $178.1k
...security and prosperity.Join us in shaping a new era in space and find a career that's built for you. We are currently seeking a Systems Engineer, Senior - Missile Performance Simulation/Analysis.As a Missile Performance Simulation Engineer, you will work with a team of...Full timeTemporary workFor contractorsWork experience placementCasual workWork at officeFlexible hours
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