Senior Systems Engineer
$130kEze Castle Integration
Posted Thursday, July 30, 2026 at 7:00 AM As a Senior Systems Engineer, you will play a key role in our technical delivery team to drive the technology programs, including Cloud implementation and support, desktop engineering escalation and networking for a defined portfolio of clients. Using latest and greatest technologies and solutions, you will support our client’s innovation by following a set of standards and best practices in a rapidly evolving technology landscape. This role is hybrid 3 days in office / 2 remote in either LA or San Francisco ECI is the leading global provider of managed services, cybersecurity, and business transformation for mid-market financial services organizations across the globe. From its unmatched range of services, ECI provides stability, security and improved business performance, freeing clients from technology concerns and enabling them to focus on running their businesses. More than 1,000 customers worldwide with over $3 trillion of assets under management put their trust in ECI. At ECI, we believe success is driven by passion and purpose. Our passion for technology is only surpassed by our commitment to empowering our employees around the world. The Opportunity: As a Senior Systems Engineer, you will play a key role in our technical delivery team by working with a Client Technology Manager (CTM) to drive the technology programs, including Cloud implementation and support, desktop engineering escalation and networking for a defined portfolio of clients. Using the latest and greatest technologies and solutions, you will support the client’s innovation by following a set of standards and best practices in a rapidly evolving technology landscape. What you will do: Collaborate with, and act as a tier 3 escalation point for Client Technology Management, Service Desk, Engineering and other client support teams Provide advanced support of cloud infrastructures such as Microsoft 365/Azure, Amazon Web Services (AWS), Google Cloud Platform (GCP), and ECI’s proprietary technology Implement and manage enterprise mail platform and security systems such as Microsoft Exchange, Google Workspace, Proofpoint Essentials and Mimecast Execute basic tasks on enterprise switching, routing, security and wireless systems like VLAN changes, ACL updates, key rotations, and port reconfigurations Take ownership of complex technical challenges and provide long term fixes based on root cause analysis Document processes and procedures which explain system functionality or regular tasks to contribute to our internal knowledge base including architecture diagrams, runbooks, and standard operating procedures (SOP) Audit undocumented client environments and provide technical recommendations based on findings Apply best-practice configurations to client security platforms such as Azure Active Directory Conditional Access, DUO Multifactor Authentication (MFA) services, and zero-trust services such as Cloudflare and iBoss. Provide high-level consultation on information security fundamentals such as good password hygiene practices, multi-factor authentication recommendations and social-engineering defense Perform system maintenance tasks including software and operating system patching, software version upgrades, critical patch applications, and vulnerability remediation Provide advanced support of Active Directory such as Domain Controller upgrades, Group Policy creation, scheduled software deployments, network policy maintenance, and certificate management Interface with common technology support tools such as Remote Monitoring and Management (RMM), Mobile Device/Mobile Application Management, Anti-Virus/Anti-Malware Collaborate cross-functionally to ensure successful delivery of project implementations, migrations, and upgrades Acting as a technical lead for small projects and maintain accountability to delivery of scope Who you are: Bachelor’s degree in an Information Technology related field, or a minimum of 6+ years comparable experience in a technology administration role Advanced knowledge of Microsoft Operating Systems such as Windows Server and Windows 11 Advanced administration experience with Public Cloud platforms with focus in Microsoft 365 and Azure (Azure AD, Exchange Online, SharePoint Online, OneDrive for Business, Teams, Intune) Experience in administration of e-mail platforms and security integrations such as Exchange Online Experience in virtualization administration on platforms such as VMware vSphere and Hyper-V Hands on experience in deployment and management of routing, switching, wireless, and security appliance technologies using vendors such as Cisco, Palo Alto Networks, and Meraki Proficient in incident response management during security events and high-priority escalations, as well as disaster recovery and business continuity activations Bonus points if you have: Managed Service Provider (MSP) experience Certifications in cloud services, network management or cyber-security, such as CCNA, CISSP, Azure Fundamentals and VCP a plus ECI’s culture is all about connection - connection with our clients, our technology and most importantly with each other. In addition to working with an amazing team around the world, ECI also offers a competitive compensation package and the range for this role is a maximum of $130,000 annually with flexible PTO, health benefit eligibility the first of the month, life insurance, pet insurance, 401K and so much more! #J-18808-Ljbffr
$45 per hour
...will be read by an actual person who’s excited to discover the real you. We are seeking a skilled and service-oriented Senior Systems Engineer to join our team. This role is primarily focused on maintaining and supporting our clients' existing IT environments,...SeniorFull timeRemote work- ...Northrop Grumman Mission Systems in Woodland Hills, CA is hiring for Principal/Senior Principal Navigation Systems Engineer. The role focuses on model-based navigation software, working within a joint team to push the boundaries of navigation tech. Onsite in Woodland...Senior
$135k - $150k
...segmentation, and vulnerability remediation Maintain highly available systems, including Domain Controllers, Windows clustering, Hybrid... ...5+ years of experience as a Systems Administrator, Systems Engineer, or related infrastructure role required Extensive experience with...SeniorLocal area- ...Description The Library Systems Infrastructure team manages the Library’s compute, storage, and networking across on‑premises and cloud environments. The Linux Development Support Engineer provides senior technical expertise in enterprise Linux systems administration...Senior
$160k - $185k
...games that challenge expectations and inspire players? Come build something extraordinary with us. Skydance is looking for a core systems engineer skilled in working with game development teams to build key frameworks and systems. Requirements Experience architecting and...Senior- ...We are looking for an MSP Senior Systems Engineer is responsible for designing, implementing, and supporting client infrastructure across on‑premises and cloud environments for multiple managed services customers. They serve as a tier‑3 escalation point, lead projects...SeniorWork at office
- ...to deliver exceptional performance, customer satisfaction, and enhanced functionality. About the role We are seeking a Senior Systems & Network Engineer to join our team and play a key role in modernizing Brio’s infrastructure. This position is responsible for the design...SeniorRemote work
$135k - $150k
...and manage tools for patch management, ensuring security and system compliance. Lead backup and disaster recovery strategies using... ...CCIE, or CISSP preferred. Bachelor's degree in computer science/engineering or equivalent education required. Minimum 5 years of...SeniorRemote work3 days per week1 day per week$81.5k - $141.3k
...that can improve the way doctors treat people with heart arrhythmias, or irregular heartbeats. MAIN PURPOSE OF THE ROLE The Senior Systems Engineer is responsible for understanding interdisciplinary, collaborative approach to plan, design, develop the integrated set of...SeniorRemote workShift work$135k - $175k
...fundamentally different class of spacecraft. Engineered to survive the harshest radiation... ...re Building Bigger to develop the solar system and become a Kardashev Type II (K2) civilization... ...’d love for you to apply. The Role As a Senior Mission Payload Engineer within National...SeniorPermanent employmentShift work- ...support complex studio environments where uptime, performance, security, and production continuity matter. Position Overview The Senior Systems Engineer will be responsible for designing, supporting, troubleshooting, and improving client technology environments. This person...SeniorFull timeRemote work
- ...across a national network of high-performance computing centers. We are seeking a Senior HPC Storage Engineer to lead the design, deployment, and operation of large-scale storage systems supporting data-intensive research, AI/ML, interactive computing, and multi-institutional...SeniorWork at officeLocal areaRemote workAfternoon shift
$121.02k - $169.43k
...Blue Origin in Los Angeles is seeking a skilled engineer to support the development and operations of the New Glenn launch vehicle. You will oversee RF telemetry planning and create mission-specific telemetry requirements and plans. The ideal candidate will have a B.S...Senior$111.9k - $150k
...Senior Systems Engineer Job ID 10153182 Location Orlando, Florida, United States / Glendale, California, United States / Seattle, Washington, United States / Anaheim, California, United States Business Disney Experiences Date posted Jun. 16, 2026 Job Summary: At Disney...SeniorWork experience placementLocal areaWorldwide- ...Senior Systems Engineer The Senior Systems Engineer will serve as a senior technical resource within Karman's Infrastructure & Site Operations organization. This role is responsible for designing, implementing, maintaining, securing, and supporting enterprise infrastructure...SeniorPermanent employmentWork at officeLocal area
- Hustler Casino is seeking an experienced Pelco System Administrator to manage and ensure the secure operation of its Pelco video security systems. The ideal candidate will have over 5 years of experience with Pelco products, solid knowledge of IP networks, and excellent...Senior
- ...Senior Wireless Communication Systems Engineer Our client is seeking a Senior Wireless Communication Systems Engineer to participate in all phases of wireless technology projects that include planning, design, implementation, prototyping, verification, and validation...SeniorLocal area3 days per week
$129.3k - $193.9k
...opportunities to work on revolutionary systems that impact people's lives around the world... ...solutions for global security. Our Engineering and Sciences (E&S) organization pushes the... ...mission! Northrop Grumman is seeking a Senior Principal Systems Safety Engineer to work...SeniorRelocation packageShift work- ...You will develop scalable CAD processes and tools that improve engineering productivity and ensure consistent design practices across the... ...administering or supporting Product Data Management (PDM) systems, including management of CAD data, part structures, revisions,...SeniorPermanent employmentWeekend work
- ...TITLE : Senior System Validation Engineer DUTIES: Validating complex embedded software interactions spanning propulsion, ADAS/AD, body, infotainment, and connected services. Lead integration and validation of embedded software at the component, subsystem, and full...SeniorFull timeImmediate start
$90k - $100k
...Job Description We are seeking a Sr. Systems Engineer to serve as a high-level technical escalation point for our Next-Generation 911 (NG911) call-taking and dispatching solutions. In this US-based remote role, you will diagnose and resolve complex system architecture...SeniorRemote workRelocationShift workRotating shift$93k - $139k
...This role will be the lead technical expert and own all integrations for Workday Financials and related matters. The Senior Financial Systems Engineer will partner closely with various stakeholders to research, design, build, maintain, and scale integrations between Workday...SeniorRemote workHome office$150k - $180k
...scale — enabling customers to bring advanced radio technologies to life faster than ever before. About the Role As a Senior RF Systems Engineer focused on Ground Systems, you will own the end-to-end RF performance of AnySignal's ground terminal hardware across...SeniorPermanent employmentRemote workFlexible hours$170k - $210k
...Job Description Job Description Senior Electrical Engineer - Lead High-Speed Hardware Design and Product Architecture Gardena, CA | On-... ...venture-backed hardware startup developing next-generation systems that combine advanced packaging, high-speed electronics, and...SeniorFlexible hours$132.4k - $251.6k
...the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of todays mission and stay ahead... ...logistics and operations), developing tools and methods to evaluate system level studies and visualization based on customer requirements...SeniorTemporary workWork experience placementWork at officeRemote workFlexible hours$80k - $130k
...Business Unit: Company 3 Position: Systems Engineer, Sr (Temporary) Location: Santa Monica, CA (Onsite) Hours of Operation: 11:00am - 8:00... ...Range: $80,000 - $130,000 USD annually POSITION SUMMARY: The Senior Systems Engineer (Microsoft Infrastructure) is a subject matter...SeniorFull timeTemporary workPart timeLocal areaRemote workShift workWeekend work- ...prioritizing relentless hardware iteration, we deliver high-speed systems at the pace of the modern battlefield. We work with the... ...durable, asymmetric advantage. About The Role: As an RF systems engineer you will be responsible for identifying RF hardware requirements...SeniorWeekly payPermanent employmentWork at office
$180k - $230k
...Job Description Job Description Senior Fluid Systems Engineer - Architect Advanced Thermal & Power Conversion Systems Hawthorne, CA | On-site Opportunity Summary Join a venture-backed energy technology company developing advanced power generation systems...Senior$140k - $200k
THE OPPORTUNITY Our Client is seeking a Senior Wireless Communication Systems Engineer to participate in all phases of wireless technology projects that include planning, design, implementation, prototyping, verification, and validation. This position is on a hybrid schedule...SeniorFull time3 days per week- ...A leading livestream shopping platform is seeking a Senior Software Engineer for the Logistics Platform team. This role focuses on improving logistical data systems, enhancing buyer and seller experience, and fostering collaboration across departments. Ideal candidates...SeniorRemote work
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Systems Engineer. Be the first to apply!
- operating system engineer Los Angeles, CA
- wireless systems engineer Los Angeles, CA
- space systems engineer Los Angeles, CA
- computer system validation engineer Los Angeles, CA
- system performance engineer Los Angeles, CA
- ground systems engineer Los Angeles, CA
- system engineer contract Los Angeles, CA
- active directory systems engineer Los Angeles, CA
- senior linux systems engineer Los Angeles, CA
- digital communications systems engineer Los Angeles, CA



