376 to 400 of 408 Permanent Legacy Systems Jobs

Senior Infrastructure Engineer Glasgow/Flexible VIQU have partnered with a leading industrial systems integrator at the forefront of digital transformation in energy, renewables, water and manufacturing. This is a permanent role for a Senior Infrastructure Engineer with SME-level knowledge across Windows Server, VMware/Hyper-V, and Network infrastructure—supporting critical OT environments. Key Responsibilities of the … Lead Engineer: Design and implement secure OT systems involving Windows Server (2016/2019/2022), Virtualisation (VMWare or Hyper-V) and Network infrastructure Define system architectures, hardware specs, and network topologies for project delivery Lead on documentation including FDS, SDS and test specs Conduct FATs (internal and customer), reviews, and QA processes Act as a subject matter expert … during pre-sales, project delivery, and stakeholder engagement Work closely with internal cyber teams to ensure systems are secure by design Key Requirements of the Lead Engineer: 5+ years' experience with Windows Server, VMware/Hyper-V, and Switch/Firewall config—preferably in OT or industrial environments Strong background in cyber-secure systems delivery (IEC 62443 or More ❯

from building slick quoting and checkout tools, to refining real-time financial calculation engines and reducing friction in business onboarding. This isnt about fixing bugs in someone elses legacy system its about contributing to well-architected software in a company where engineers are close to product decisions. Tech stack youll love: Modern .NET Core with C# Cloud-first … PostgreSQL and other scalable data layers CI/CD pipelines built for frequent, safe deployment What were looking for: Strong experience writing production-grade C# code Exposure to distributed systems, microservices, or message queues A pragmatic mindset someone who can balance good engineering with delivery Comfortable designing APIs consumed by real-world clients Bonus: experience in finance, fintech, SaaS More ❯

Growth and development opportunities Monthly team bonding events - lunches, activities, and company socials Inclusive, fast-paced culture that values innovation, impact, and collaboration Responsibilities Design and develop custom automation systems for fiber optic manufacturing using machine vision, precision motion, and creative mechanical design. Collaborate with operations and process teams to convert manual assembly into scalable, automated solutions. Build, test … and optimize automation machines-from CAD and prototyping to troubleshooting on the production floor. Lead refinement of legacy automation systems using statistical analysis, DOE methodologies, and production feedback. Work with software, firmware, and data science teams to integrate computer vision and machine learning into real-world production workflows. Requirements Prior experience as an Automation Engineer, Controls Engineer … or Senior Automation Engineer Bachelor's degree in Mechanical Engineering, Electrical Engineering, Robotics, Motion Controls, or similar Proven track record designing end-to-end industrial automation systems-from concept to deployment Proficiency in motion control, including stepper and servo motors, robotics, and collaborative robots. Knowledge of sensor integration and signal conditioning, including computer vision, RFID sensing, and machine learning More ❯

TS/SCI Position Expert Cyber Security Engineers capture and refine information security requirements and ensure that the requirements are integrated into information technology component products and information systems through purposeful security architecting, design, development, and configuration. Location: Chantilly, VA/Patriot Ridge (Springfield, VA) Duties: Assists with leading development teams working to design and develop information systems … support Analysis of Alternative (AoA) activities that independently identify the most appropriate security solutions. Assists with leading the development of system concepts, contribute to the capability phase of the systems development lifecycle, and translate technology and environmental conditions (e.g., law and regulation) into system security designs and processes. Assists with leading the development and documentation of Security Architectures, Roadmaps … the work of Senior-, Mid-, and Junior-level contractor Cyber Security Engineers. Required Skills & Experience: 18+ yrs experience Master's degree in Engineering, Computer Science, Information Technology, Management Information Systems, or related STEM degree program, or equivalent Expert level experience as a Cyber Security Engineer. Expert working experience in government or industry within Cyber Security Engineering. DoD 8570 Level More ❯

SRG is seeking an Expert Cyber Security Engineer to capture and refine information security requirements and ensure that the requirements are integrated into information technology component products and information systems through purposeful security architecting, design, development, and configuration. On-site only, no telework. Assists with leading development teams working to design and develop information systems or upgrade legacy … support Analysis of Alternative (AoA) activities that independently identify the most appropriate security solutions. Assists with leading the development of system concepts, contribute to the capability phase of the systems development lifecycle, and translate technology and environmental conditions (e.g., law and regulation) into system security designs and processes. Assists with leading the development and documentation of Security Architectures, Roadmaps More ❯

SRG is seeking an Expert Cyber Security Engineer to capture and refine information security requirements and ensure that the requirements are integrated into information technology component products and information systems through purposeful security architecting, design, development, and configuration. On-site only, no telework. Assists with leading development teams working to design and develop information systems or upgrade legacy … support Analysis of Alternative (AoA) activities that independently identify the most appropriate security solutions. Assists with leading the development of system concepts, contribute to the capability phase of the systems development lifecycle, and translate technology and environmental conditions (e.g., law and regulation) into system security designs and processes. Assists with leading the development and documentation of Security Architectures, Roadmaps More ❯

Overview Control Engineer 2 Company Overview M.C. Dean is Building Intelligence . As a leader and premier provider of cyber-physical systems, we spearhead the design, construction, operation, and maintenance of solutions essential to the nation's most recognizable mission-critical facilities, secure environments, complex infrastructure, and expansive global enterprises. Our team, comprising over 5,500 dedicated professionals worldwide … is the driving force behind our ability to engineer and deploy automated, secure, and resilient power and technology systems, alongside the critical management platforms that ensure their long-term sustainability. Join us in molding the integrated systems and technologies that delineate the built and cyber-physical landscape. Job Overview Control Engineers are responsible for designing, developing, installing, and … maintaining equipment used to monitor and control systems, machinery, and processes. Control Engineers work in various applications including industrial controls, cybersecurity, building automation, water/wastewater, power controls and protection, energy management, and transportation systems. ? They're ? technical experts in areas such as advanced process control, instrumentation, distributed control systems, PLCs, and SCADA systems. Control engineers use these More ❯

Application Support teams, including vendor engagement and SLAs. Excellent communication, emotional intelligence and a structured, solution-focused mindset. A solid grounding in ITIL practices, legacy and OTS systems, and agile methodologies. Confidence navigating uncertainty with adaptability and commercial awareness. Apply now to shape the future of digital support at British Airways. What we offer: We believe that More ❯

Positions: Systems Administrator Location: Vandenberg, AFB Schedule: Panama schedule, 3 days on 4 days off rotating bi-weekly, the team works shift hours so the candidate must be comfortable working days/nights. Shift times: 6am - 6pm, 6pm - 6am Supporting: NORAD NISSC II Description of Duties: The Legacy System Administrator supports North American Aerospace Defense Command (NORAD … on the Integrated Tactical Warning/Attack Assessment (ITW/AA) and Space Support Contract II (NISSC II). • Implement/maintain various technical systems and services. • Provides guidance, direction, and training to others in the group. • Serves as a backup to the lead computer systems administrator. • Builds and/or debugs complicated hardware and software to correct … operating procedures. Identifies and corrects processing anomalies. • Operates, monitors, identifies, reports, coordinates, and documents abnormalities for Space Defense Operation Center (SPADOC)/Space Predictive Effects Analysis Results Reporting (SPEARR) systems, servers, clients, and peripheral devices following operating instructions. • Will receive training as a Space Program Analyst. • Performs scheduled and unscheduled Initial Program loads (IPLs) and system failovers. • Coordinates with More ❯

through to cutover. Business Cutover Management: Finalise, get approval, and manage the business cutover plans, ensuring all tasks completed at appropriate times leading to a seamless transition from legacy system to the new ERP system. To include data reconciliation and sign off. Support End User Training: Manage team to ensure all Standard Operating Procedures/Work Instructions are … performance and ensuring business operations return to green status. Back-to-Green Key Performance Indicators Monitoring (KPIs): Establish and track KPIs to monitor the stabilisation of business processes and systems post-implementation to achieve the goal of resuming operations on time and without disruption. Stakeholder Engagement: Work closely with cross-functional teams, including IT, project managers, business leaders, and … to deliver programs on time and on cost ensuring safety and quality are never compromised. Proven experience in change management, ERP implementation or similar role. Strong understanding of ERP systems and their impact on business processes (Oracle experience desired). Excellent communication, leadership and interpersonal skills. Ability to manage complex projects and work effectively in a fast-paced environment. More ❯

outreach experience to citizens contacting and engaging with NSD through various methods per section. This new system will replace all critical and major business processes supported today by legacy systems. The system is a legal case management system that our team implemented last year. Each business unit will have both overlapping and unique requirements for workflows, reporting, dashboards … improve the outreach experience to citizens contacting and engaging through various methods per section. This new system will replace all critical and major business processes supported today by legacy systems. National Security Division Start: Immediate, 5 year contract Clearance: Active Top Secret Skillsets: 7 years experience working on Salesforce implementations, ideally in government spaces - prefer one or more More ❯

Senior OpenLink Endur Technical Business Analyst - London Overview The OpenLink Endur Business Analyst is a senior-level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. This candidate will develop an understanding of users' strategic direction, issues, and project goals, bridging the gap between user functionality and system developers … oriented attitude, working well under pressure and adapting to changing priorities. Design and develop a technology stack, leveraging existing platforms, building new strategic platforms, and migrating functions from legacy systems. Interact with Traders and Quants to understand new requirements, especially related to trade modeling and lifecycle. Increase productivity of the technology teams by designing solutions that maximize operational More ❯

relevant security context. You will be responsible for designing and overseeing robust, scalable, and timely data constructs that inform WHS's operational, business intelligence, reporting, analytics and artificial intelligence systems in addition to customer channels. What you will be doing: Developing and maintaining the Enterprise Data Architecture and blueprints aligned to business goals and operational needs. Using Retail Industry … strategic data platforms (e.g. data repositories, lakes and warehouses). Collaborating with our service teams to ensure timely movement, optimal performance, scalability and reliability from both strategic and legacy data systems. Defining and overseeing the processes for data extraction, ingestion, translation and transformation with internal and external data sources. Defining appropriate and timely data flows to support business More ❯

will take full ownership of a large-scale Windows Server migration programme. The scope includes upgrading servers currently running Windows Servers, and addressing a small number of additional legacy systems. This role requires a proven subject matter expert in Windows Server migrations who is comfortable operating across multiple environments that include a complex mix of both legacy More ❯

Engineer with Solaris and Windows to be based onsite in Basingstoke. You will play a key function in the stability and performance of legacy and modern messaging systems through incident resolution, problem management, and proactive service support. This is a permanent role paying between £48K - £55K + 3% Bonus + 10% DV Bonus. DV/SC Clearance … incidents: log,triage,assign and resolve using agreed toolsets and processes * Conduct root cause analysis and ongoing problem investigations * Monitor and support Nexor X500 DSA and Exchange 2003 messaging systems * Liaise with intermediary customer contacts to resolve end-user issues Skills and Experience: * Strong knowledge of SMTP, X400 messaging, and X500 addressing * Experience with Nexor DSA and address book More ❯

that puts you at the heart of our IT transformation programme. You will work as part of a team tasked with developing and supporting The National Archives' cloud services, systems infrastructure, telecommunications and network infrastructure. You will apply your broad technical skills across a range of infrastructure systems including but not limited to, cloud services, SharePoint and O365 … desktop services, operating systems, LAN and WAN network, VoIP, storage, backup, Microsoft, licensing and Wi-Fi, using your knowledge, industry standards and best practice to contribute to a high performing service-culture orientated team. We are looking for a self-motivated person who will play a major role in the delivery of IT services, from legacy system More ❯

architectures, including microservices, serverless and service mesh. By providing developer teams with unprecedented architectural freedom, Kong accelerates innovation cycles, increases productivity, and seamlessly bridges legacy and modern systems and applications. For more information about Kong, please visit or follow on Twitter. More ❯

technology provider supporting the UK defence and national security sector. This is a rare opening for a Messaging Applications Engineer to join a long-established programme supporting secure communications systems within a highly sensitive environment. This role offers the chance to contribute to a system modernisation initiative later this year. The Role: Operating as part of a close-knit … engineering team, the successful candidate will provide 3rd line support for legacy messaging systems. Responsibilities include incident and problem management, system monitoring, root cause investigations, and liaising with stakeholders via an intermediary. Key Responsibilities: Perform triage, incident logging, and resolution using internal toolsets Investigate and resolve issues across legacy messaging platforms including Nexor X500 DSA and … Exchange 2003 Collaborate with internal stakeholders and security-cleared customer intermediaries Contribute to the wider system modernisation programme Key Skills & Experience: Experience with legacy messaging technologies such as X.400/X.500 Familiarity with SMTP, address book replication, or Nexor DSA UNIX or HP-UX scripting experience Experience with Oracle (8-10g), Solaris 10, or Exchange 2003 (or More ❯

opportunity to architect security across one of the UK's most critical infrastructure environments. As a Security Architect , you'll embed secure-by-design principles across IT and OT systems, working alongside Solution Architects and a dedicated Cybersecurity team. You'll guide technical decisions that ensure risk, compliance, and innovation are aligned from day one. What You'll Do … patterns, architecture principles, and frameworks. Drive security architecture across digital programmes such as ITSM (ServiceNow) and back-office modernisation. Conduct threat modelling , risk analysis, and define security requirements for systems including remote access (VPNs) and secure OT-to-IT data exchange. Ensure compliance with industry standards such as ISO27001, NIS Directive , and NCSC's Cyber Assessment Framework (CAF) . … strategy. What You'll Bring 3+ years of experience as a Security Architect , ideally in enterprise or regulated environments. Deep understanding of IT/OT architecture, including air-gapped systems and the Purdue model . Experience supporting large-scale transformation programmes with cloud, infrastructure, and legacy system exposure . Familiarity with industry standards and secure system development More ❯

Engineer with deep Linux expertise and a passion for building developer-centric tooling. You'll work closely with our CTO and engineering teams to enhance our internal infrastructure, CI systems, and productivity pipelines. This is a hands-on, high-impact role - ideal for someone who thrives on owning the tools that engineers rely on every day. Please note this … your ramp-up phase in our London office. Optionally grow into a leadership role as the internal infrastructure team expands. Prefer scripting custom Bash over fighting YAML in legacy CI systems. Experience with cgroups, kernel namespaces, virtual memory,/proc, and tracing syscalls. … Extensive experience with terraform and AWS cloud infrastructure. Know Docker intimately, from minimizing image sizes to how it leverages kernel features. Have experience maintaining complex software stacks and CI systems at scale. Are comfortable with debugging process groups, signals, and build failures at the OS layer. Take pride in building secure, reliable, and fast developer infrastructure. What We Offer More ❯

open APIs provided by modern engineering tools such as GitHub, Harness, Terraform, and Ansible. This approach will increasingly enable a self-service capability for customers while decommissioning our legacy network services and systems. Why Lloyds Banking Group We're on an exciting journey to transform our Group and the way we're shaping finance for good. We're … approach encourages experimentation and testing of innovative engineering methods, acting as a catalyst for change in both engineering practices and team dynamics . It is important to encourage a systems-thinking approach and prioritise user-friendly design methodologies. The ideal candidate will motivate effective performance while promoting simplicity and fostering confidence and trust. What you'll need Strategic Leadership … and Lab Leaders to build a value-generating Network product . Operational Excellence: Maintain high levels of network resilience, service availability and risk mitigation while simplifying and automating legacy platforms. About working for us Our ambition is to be the leading UK business for diversity, equity and inclusion supporting our customers, colleagues and communities and we're committed More ❯

open APIs provided by modern engineering tools such as GitHub, Harness, Terraform, and Ansible. This approach will increasingly enable a self-service capability for customers while decommissioning our legacy network services and systems. Why Lloyds Banking Group We're on an exciting journey to transform our Group and the way we're shaping finance for good. We're … approach encourages experimentation and testing of innovative engineering methods, acting as a catalyst for change in both engineering practices and team dynamics . It is important to encourage a systems-thinking approach and prioritise user-friendly design methodologies. The ideal candidate will motivate effective performance while promoting simplicity and fostering confidence and trust. What you'll need Strategic Leadership … and Lab Leaders to build a value-generating Network product . Operational Excellence: Maintain high levels of network resilience, service availability and risk mitigation while simplifying and automating legacy platforms. About working for us Our ambition is to be the leading UK business for diversity, equity and inclusion supporting our customers, colleagues and communities and we're committed More ❯

open APIs provided by modern engineering tools such as GitHub, Harness, Terraform, and Ansible. This approach will increasingly enable a self-service capability for customers while decommissioning our legacy network services and systems. Why Lloyds Banking Group We're on an exciting journey to transform our Group and the way we're shaping finance for good. We're … approach encourages experimentation and testing of innovative engineering methods, acting as a catalyst for change in both engineering practices and team dynamics . It is important to encourage a systems-thinking approach and prioritise user-friendly design methodologies. The ideal candidate will motivate effective performance while promoting simplicity and fostering confidence and trust. What you'll need Strategic Leadership … and Lab Leaders to build a value-generating Network product . Operational Excellence: Maintain high levels of network resilience, service availability and risk mitigation while simplifying and automating legacy platforms. About working for us Our ambition is to be the leading UK business for diversity, equity and inclusion supporting our customers, colleagues and communities and we're committed More ❯

We're a creative, committed, and diverse group of individuals who succeed as a team. At Kainos your ideas are heard and valued and you'll leave a legacy that you can feel proud of.Join us and discover how our people write our story. The Salesforce Technology Lead is a key role in the business, accountable for technology … Salesforce certifications including Certified Application Architect and/or Certified System Architect (Certified Technical Architect preferred). Experience with complementary technologies (e.g. AWS, Azure, M365) and integration with legacy systems. Proven experience delivering secure, compliant solutions aligned with UK government standards and best practice. Strong leadership skills with the ability to delegate, motivate, attract, develop, and mentor high More ❯

open APIs provided by modern engineering tools such as GitHub, Harness, Terraform, and Ansible. This approach will increasingly enable a self-service capability for customers while decommissioning our legacy network services and systems. Why Lloyds Banking Group We're on an exciting journey to transform our Group and the way we're shaping finance for good. We're … approach encourages experimentation and testing of innovative engineering methods, acting as a catalyst for change in both engineering practices and team dynamics . It is important to encourage a systems-thinking approach and prioritise user-friendly design methodologies. The ideal candidate will motivate effective performance while promoting simplicity and fostering confidence and trust. What you'll need Strategic Leadership … and Lab Leaders to build a value-generating Network product . Operational Excellence: Maintain high levels of network resilience, service availability and risk mitigation while simplifying and automating legacy platforms. About working for us Our ambition is to be the leading UK business for diversity, equity and inclusion supporting our customers, colleagues and communities and we're committed More ❯