Legacy Systems Job Vacancies

26 to 50 of 851 Legacy Systems Jobs

Principal Software Engineer – Java & Cloud Migration, XTM

england, United Kingdom
Hybrid / WFH Options
XTM International
development lifecycle, from design and development to deployment and support, ensuring seamless migration while maintaining high performance and scalability. Key Responsibilities: Evaluate existing architectural systems and propose an architecture roadmap to improve performance, scalability, and migration to the cloud. Lead a team of engineers in migrating monolithic Java applications … to AWS Kubernetes. Design and implement scalable, secure cloud infrastructure solutions. Develop and maintain a phased migration plan to transition legacy systems without impacting ongoing operations. Refactor and modernize legacy systems while ensuring minimal downtime and operational continuity. Optimize applications for maximum speed and … training and support to other team members on cloud technologies and best practices. Stay updated with emerging technologies and propose adaptations to keep our systems at the forefront of innovation. Analyze production incidents to find the most efficient way to address current architecture issues. Required Skills and Qualifications: 7+ More ❯
Posted:

Applications Programmer - ServiceNow with Security Clearance

Norfolk, Virginia, United States
CACI
ITOM, ITBM) Create and modify business rules, client scripts, and UI policies Develop custom applications using ServiceNow platform Integrate ServiceNow with legacy systems and external applications Implement automated testing for ServiceNow development Optimize ServiceNow performance and workflows Provide technical documentation and support Analyze functional business applications and … time or improve efficiency Provide technical direction to programmers to ensure program deadlines are met Work across multiple technology stacks, including legacy systems and modern web applications Participate in Agile development processes and practices Qualifications: Required: Must be a US Citizen with an active Secret clearance Bachelor … with multiple programming languages Experience with software documentation and technical specification development Desired: Experience with DoD/Navy programs or similar complex government IT systems Additional ServiceNow certifications (System Admin, Implementation Specialist) Experience with ServiceNow ATF (Automated Test Framework) Knowledge of ServiceNow security best practices Knowledge of Agile/ More ❯
Employment Type: Permanent
Salary: USD 117,900 Annual
Posted:

MILSATCOM Systems Engineer with Security Clearance

Colorado Springs, Colorado, United States
Booz Allen Hamilton
Job Number: R MILSATCOM Systems Engineer The Opportunity: We are seeking an innovative and highly motivated Systems Engineer to join a dynamic MILSATCOM team within the U.S. Space Force ( USSF ) . As a key member of our team, you will play a critical role in sustaining a divers … e portfolio of strategic MILSATCOM space systems and infrastructure, directly impacting the combat readiness of our space warfighters. This mid-level opportunity is ideal for a self-starter who thrives in a collaborative, small-team environment and is passionate about tackling the challenges of complex, space-based telecommunication systems. … In this role, you will leverage your systems engineering and analysis expertise to support legacy space systems, including Air Force Command Post Terminal ( AFCPT ) , Family of Bey ond Line-of-Sight Terminal ( FAB-T ) , and Milstar Messaging System ( MMS ) . You will provide expert advice and More ❯
Employment Type: Permanent
Salary: USD 141,000 Annual
Posted:

GFEBS SA Cost Management Analyst with Security Clearance

Arlington, Virginia, United States
Intrepid
a DTS. Your day-to-day work will include: Supporting, assisting, and performing necessary FM analysis in support of the ERP lifecycle requirements for systems such as GFEBS and GFEBS SA. Providing analysis, support, and expertise on cost management master data and its tables to ensure data is up … providing quick and effective troubleshooting and functional support to GFEBS-SA users. Working in collaboration with the GFEBS/GFEBS-SA functional and project systems lead to analyze data and recommend additions, and changes to existing functional training curriculum and courses. Designing and developing enhancements to training materials, user … aids, and hands-on exercises to meet training requirements. Assisting end users with the transition from legacy systems, business processes, and reports to those being used in GFEBS/GFEBS-SA and assist in the management of the review process and include feedback from key stakeholders. Providing More ❯
Employment Type: Permanent
Salary: USD 140,000 Annual
Posted:

Solution Architect with Security Clearance

Norfolk, Virginia, United States
CACI
and Modernization Enterprise Solution (NMMES) Play a crucial role in designing and implementing innovative solutions for naval ship and submarine maintenance operations Architect complex systems serving over 45,000 users across global Navy facilities, including Navy Shipyards and Intermediate Maintenance Facilities Bridge the gap between business requirements and technical … implementation in a diverse technology landscape Drive the modernization of NMMES by designing solutions that integrate legacy systems with cutting-edge technologies Contribute to the strategic direction of NMMES, balancing customer-driven enhancements with technology obsolescence challenges Apply SAFe Agile methodologies to improve solution delivery and team … best practices Experience designing scalable, high-performance, and secure solutions Proficiency in multiple programming languages and technology stacks Familiarity with both legacy systems and modern web application technologies SAFe Agilist (SA) certification or higher Desired: Master's degree in a relevant technical field Experience working with DoD More ❯
Employment Type: Permanent
Salary: USD 229,200 Annual
Posted:

Delegated Authorizing Official Representative 3 with Security Clearance

Southern Md Facility, Maryland, United States
Torin Consulting, Inc
appropriate information security controls, and perform and analyze the security risk assessment, risk analysis, risk management process, security control assessments, and awareness activities for systems and networking operations. Provide assistance to ensure Cybersecurity functions are included in the configuration management process. Interact with customers, Information Technology (IT) staff, and … building security architecture. Assist with the integration of legacy systems. Contribute to the acquisition/RDT&E environment and building Cybersecurity into systems deployed in operational environments. Prepare security authorization documentation. The Level 3 Delegated Authorizing Official Representative shall possess the following capabilities: Perform security planning, security … assessment, risk analysis, risk assessment, and risk management support activities Perform risk assessment and management to support integration of legacy systems into existing IT environment Review and analyze Cybersecurity built into systems to be deployed to operational environments Prepare risk assessment, plan of actions, authorization recommendations More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Senior Fullstack Engineer (Remote, United Kingdom)

United Kingdom
Hybrid / WFH Options
Live Nation
application used to create and manage events on the Ticketmaster website. You will play a key role in solution and architecture design for the systems your team supports. As part of the TM1 Events team, you'll be responsible for designing and developing application components and leading team projects. … quality through automated testing Collaborate with Product, UX, and internal teams to develop new features Lead the modernization and maintenance of legacy systems Automate testing, deployment, and recovery processes Inspire with innovative ideas and technical insights Foster collaboration and consensus across teams Document and train others on … and SOLID principles Understanding of frontend architecture Ability to mentor and support the growth of other engineers Experience modernizing and supporting legacy systems Proficient in monitoring and maintaining real-time production systems Familiar with databases such as Oracle, MySQL, or MongoDB Strong communication skills and experience More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

S/4HANA Data Migration Architect

Slough, Berkshire, United Kingdom
Lonza Biologics Porriño SLU
Role Purpose: The S/4HANA Data Migration Architect is responsible for planning, executing, and overseeing the migration of data from legacy systems to the new SAP S/4HANA ERP system. This role requires extensive experience in data migration strategies, a deep understanding of SAP S … and implement a comprehensive data migration strategy that aligns with the overall S/4HANA ERP transformation objectives. Conduct a detailed assessment of legacy data … sources to identify data quality issues, inconsistencies, and gaps. Oversee the design and development of ETL processes to extract data from legacy systems, transform it according to mapping rules, and load it into the S/4HANA system. Implement data quality assurance processes to validate data accuracy More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

S/4HANA Data Migration Architect

Manchester, Lancashire, United Kingdom
Lonza Biologics Porriño SLU
Role Purpose: The S/4HANA Data Migration Architect is responsible for planning, executing, and overseeing the migration of data from legacy systems to the new SAP S/4HANA ERP system. This role requires extensive experience in data migration strategies, a deep understanding of SAP S … and implement a comprehensive data migration strategy that aligns with the overall S/4HANA ERP transformation objectives. Conduct a detailed assessment of legacy data … sources to identify data quality issues, inconsistencies, and gaps. Oversee the design and development of ETL processes to extract data from legacy systems, transform it according to mapping rules, and load it into the S/4HANA system. Implement data quality assurance processes to validate data accuracy More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Delegated Authorizing Official Representative 3 with Security Clearance

Annapolis Junction, Maryland, United States
Arsiem Corporation
appropriate information security controls, and performing and analyzing the security risk assessment, risk analysis, risk management process, security control assessments, and awareness activities for systems and networking operations. Provide assistance to ensure Cybersecurity functions are included in the configuration management process. Interact with customers, Information Technology (IT) staff, and … building security architecture. Assist with the integration of legacy systems. Contribute to the acquisition/RDT&E environment and build cybersecurity into systems deployed in operational environments. Prepare security authorization documentation. Minimum Qualifications Eight (8) years of experience as an IT Risk Assessor, System Security Engineer, Information … Systems Security Manager or DAO in programs and contracts of similar scope, type and complexity is required. A Bachelor's Degree in Computer Science or IT Engineering. In lieu of a Bachelor's degree, an additional four (4) years of experience for a total of twelve (12) years. Working More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Data Centre Migration Architects - Azure / Financial Services - UK Experienced Hires Tempor ...

England, United Kingdom
Hybrid / WFH Options
Vantage Point Global
clients. This is a large-scale transformation programme that involves the full range of architectural disciplines required to successfully migrate complex legacy systems to Azure cloud infrastructure. We are looking for professionals who are comfortable working in a fast-paced, regulated environment and who have experience delivering … The Project The engagement covers a full data centre exit and cloud migration programme. It includes a combination of rehosting, replatforming and refactoring legacy applications into cloud-native Azure solutions, as well as associated infrastructure and data migration streams. We are looking for experienced: Migration Architects - skilled in … and align technology with business goals across the programme. Technical Solution Architects - to design end-to-end technical solutions and ensure seamless integration across systems and platforms. Business Domain Architects - to bridge business needs and technical delivery, providing contextual insight into legacy systems and domain-specific More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Modernization Engineer with Security Clearance

Washington, Washington DC, United States
BOAB Ventures
and a Secret security clearance! We're seeking an experienced Modernization Software Engineer that focuses on integrating cutting-edge technology with legacy systems to enhance operational capabilities. The ideal candidate has experience with large legacy systems, a passion for modernization, and thrives in small … benchmarking, and stress testing. • Expertise in version control (monorepos), documentation, CI/CD pipelines, code reviews, package and artifact management (Cargo, PyPI, NPM), build systems, containerization (Docker), and cloud platforms (AWS preferred, Azure/GCP a plus). Preferred Skills • Large Language Models (LLMs): Experience with LLM inference servers … LlamaIndex), RAG techniques, vector databases, prompt engineering, token optimization, and model quantization. • System-Level Knowledge: Strong understanding of Linux, process/memory management, file systems, networking, compiler optimizations, libraries, system calls, and CPU cache optimization. Required Qualifications: • US Citizenship • Secret Clearance (ability to eventually obtain a Top Secret) • B.S. More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Sharepoint Architect (DV Security Clearance)

Chippenham, Wiltshire, United Kingdom
ENGINEERINGUK
Sharepoint Architect (DV Security Clearance) Job Description The Space, Defence and Intelligence business unit in CGI is a true IT Systems Integrator. We work, build, and operate bespoke, technically complex, mission-critical systems which help our clients keep us all safe and secure. We bring innovation to our … to a hosted private cloud solution for a Government Client. This role will focus on designing and planning the migration of legacy systems and SharePoint services to modern cloud infrastructures, ensuring security, compliance, and seamless integration with business processes. The role is integral to the success of … Key Responsibilities: Cloud Migration Planning & Execution: • Develop and implement strategies for migrating SharePoint services to Client-hosted cloud-based solutions. • Assess legacy systems, identify challenges, and define best practices for a seamless migration. • Ensure business continuity and minimal disruption during cloud transition. SharePoint Architecture: • Lead the design More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Sharepoint Architect (DV Security Clearance)

Chippenham, Wiltshire, United Kingdom
CGI
The Space, Defence and Intelligence business unit in CGI is a true IT Systems Integrator. We work, build, and operate bespoke, technically complex, mission-critical systems which help our clients keep us all safe and secure. We bring innovation to our clients using proven and emerging technologies, agile … to a hosted private cloud solution for a Government Client. This role will focus on designing and planning the migration of legacy systems and SharePoint services to modern cloud infrastructures, ensuring security, compliance, and seamless integration with business processes. The role is integral to the success of … Key Responsibilities: Cloud Migration Planning & Execution: • Develop and implement strategies for migrating SharePoint services to Client-hosted cloud-based solutions. • Assess legacy systems, identify challenges, and define best practices for a seamless migration. • Ensure business continuity and minimal disruption during cloud transition. SharePoint Architecture: • Lead the design More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

1789 - Sr. Information Assurance Security Engineer (IASE) - Onsi with Security Clearance

Arlington, Virginia, United States
Rollout Systems
Signing Bonus Eligible ABOUT US Rollout Systems works with a wide spectrum of talent to establish an atmosphere that stimulates creativity, constant progress, and achievement. We believe in empowerment for success and providing the tools to do the best job for our customers. Our corporate values are transparent; being … with each other. Come and join our dynamic team! JOB DESCRIPTION Seeking a highly motivated and driven Sr. Information Assurance Security Engineer (IASE) (Air Systems) to work Onsite supporting enterprise IT for our War-fighter customer who upholds America's status as the "Land of the Free" every day … refines Aircraft System and Ground Support security requirements and ensures that the requirements are effectively integrated into the Air System and ground support information systems through purposeful security architecting, design, development, and configuration Employ best practices when implementing security requirements within the F-35 Air System, including the Air More ❯
Employment Type: Permanent
Salary: USD 207,000 Annual
Posted:

1788 - Sr. Information Assurance Security Engineer (IASE) - Hybr with Security Clearance

Arlington, Virginia, United States
Rollout Systems
Signing Bonus Eligible ABOUT US Rollout Systems works with a wide spectrum of talent to establish an atmosphere that stimulates creativity, constant progress, and achievement. We believe in empowerment for success and providing the tools to do the best job for our customers. Our corporate values are transparent; being … with each other. Come and join our dynamic team! JOB DESCRIPTION Seeking a highly motivated and driven Sr. Information Assurance Security Engineer (IASE) (Air Systems) to work 3 Days Per Week Onsite supporting enterprise IT for our War-fighter customer who upholds America's status as the "Land of … refines Aircraft System and Ground Support security requirements and ensures that the requirements are effectively integrated into the Air System and ground support information systems through purposeful security architecting, design, development, and configuration Employ best practices when implementing security requirements within the F-35 Air System, including the Air More ❯
Employment Type: Permanent
Salary: USD 207,000 Annual
Posted:

Dotnet Developer

Utrecht, Netherlands
Hybrid / WFH Options
Doghouse Recruitment
mission-critical software that powers a multi-billion dollar industry? Do you want to join a team that's transitioning from legacy systems to modern cloud architecture with full technical ownership of important features? My client is a leading vertical SaaS, B2B e-commerce, and payments software … to unify their industry's supply chain by delivering mission-critical business operations solutions. They are currently transitioning their architecture from legacy systems to modern microservices and cloud infrastructure. You'll be joining a growing international team focused on modernizing .NET applications, improving CI/CD pipelines … passion for software quality and modern architectural designs. You're comfortable working in an international team and excited about the challenge of transforming legacy applications into modern, cloud-native solutions. Furthermore: Minimum of 5+ years of experience with .NET/C# development Experience with cloud technologies, preferably Azure More ❯
Employment Type: Permanent
Salary: EUR Annual
Posted:

Solutions Architect

leeds, west yorkshire, yorkshire and the humber, United Kingdom
Hybrid / WFH Options
Harvey Nash
pivotal in supporting and leading this transformation. Key Responsibilities: Cloud Adoption: Play a central role in helping the organisation move its legacy systems to the Cloud, with the goal of making solutions cloud-native. Technical Leadership: Work on modernising the company's legacy systems More ❯
Posted:

Data Scientist SME with Security Clearance

Albuquerque, New Mexico, United States
FIREBIRD ANALYTICAL SOLUTIONS & TECHNOLOGIES
Nuclear Information Analysis Center (IAC) missions with external partners. Provide technical guidance to requests for support (RFS) and information retrieval related to nuclear weapon systems, testing, and simulation cases. Provide technical oversight for critical internal and external missions with performing contractors. Provide recommendations for technical solutions related to analysis … science, or a related technical discipline with 6-10 years of experience. Familiarity with designing and managing IT infrastructure. Understand complex legacy systems, weapon effects, phenomenology, verification and validation tools, and niche mission needs ensures this role can properly support multiple portfolios of technical contribution. Proficient understanding … and model and software containerization. Familiarity with program application interfaces (APIs) and cloud services (e.g., AWS, MS Azure). Experience transitioning legacy systems to cloud environment optimized applications. Ability to provide recommendations derived from complex set of requirements and work independently and complete tasking with minimum guidance More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

VMWare Engineer with Security Clearance

Dayton, Ohio, United States
Intrepid Solutions and Services LLC
Overview We are seeking a VMWare Engineer, which will provide Engineering and Cloud Services support to include Systems Engineering, Infrastructure as a Service, Platform as a Service, and Cloud Support for NASIC's enterprise. The VMWare Engineer will also assist in the migration of legacy systems … to cloud implementations (both on and off-premises). This is a new position on a multi-year program. Responsibilities Provision, operate, and maintain systems and environments in a Hybrid Cloud environment to include Private Clouds such as the on-premises VMware environment and the Public and Community Clouds. … Operate, maintaining, and enhance a self-service portal, automation tools, reporting tools and dashboards; reporting system capacity to system owners. Migrate legacy systems and applications to cloud implementations (both on-premises and off-premises). OPERATING HOURS AND EXPECTATIONS: This is a full-time position, with standard More ❯
Employment Type: Permanent
Salary: USD 190,000 Annual
Posted:

.NET Engineer

Madrid, Spain
E-Frontiers
closely with the business to balance today's needs with tomorrow's challenges. The company is modernizing its architecture, gradually replacing legacy systems with state-of-the-art solutions. All new development is carried out in a Microsoft environment using .NET , SQL Server , and Azure Cloud , always … to ensure a great experience. Key Responsibilities Develop and implement new features in .NET based on business requirements. Work on modernizing legacy systems with innovative solutions. Collaborate with cross-functional teams in an Agile/Scrum environment. Build and optimize cloud-based solutions in Azure . Must More ❯
Employment Type: Permanent
Salary: EUR Annual
Posted:

Project Manager

Worthing, Sussex, United Kingdom
Tec Partners
Project Manager - Business Applications & Legacy Systems Permanent Worthing (Hybrid) 60,000 per annum We're seeking a delivery-focused Project Manager with a track record of navigating complex, legacy-heavy environments. We're partnering with a long-standing organisation on the South Coast looking for … an experienced Project Manager to lead the delivery of business-critical applications, working across an intricate ecosystem of integrated legacy systems. This is a permanent role offering the chance to work at the heart of transformation - where your ability to drive change in a challenging tech landscape will … project delivery across business application and system implementations Working within structured SDLC frameworks, ensuring robust planning and governance Managing integration across legacy systems with varying levels of complexity Collaborating with internal teams, technical leads, and third-party suppliers Driving delivery through strong stakeholder engagement and hands-on More ❯
Employment Type: Permanent
Salary: GBP 55,000 - 65,000 Annual
Posted:

Project Manager

Worthing, West Sussex, United Kingdom
Tec Partners
Project Manager - Business Applications & Legacy Systems Permanent | Worthing (Hybrid) £60,000 per annum We're seeking a delivery-focused Project Manager with a track record of navigating complex, legacy-heavy environments. We're partnering with a long-standing organisation on the South Coast looking for … an experienced Project Manager to lead the delivery of business-critical applications, working across an intricate ecosystem of integrated legacy systems. This is a permanent role offering the chance to work at the heart of transformation - where your ability to drive change in a challenging tech landscape will … project delivery across business application and system implementations Working within structured SDLC frameworks, ensuring robust planning and governance Managing integration across legacy systems with varying levels of complexity Collaborating with internal teams, technical leads, and third-party suppliers Driving delivery through strong stakeholder engagement and hands-on More ❯
Employment Type: Permanent
Salary: £55000 - £65000/annum
Posted:

MBSE Systems Engineer with Security Clearance

Colorado Springs, Colorado, United States
Arcfield
for more details. Responsibilities Be part of a fast-paced, high energy, team as an early adopter and leader in the digital transformation of systems engineering. To engineer increasingly complex systems and capabilities, the government is transforming legacy systems engineering methods and processes. Central to … the transformation is the adoption of Model Based Systems Engineering (MBSE) as the means to manage complexity, increase engineering quality, and ultimately drive cost and schedule efficiencies into the acquisition process. As an industry leader in systems engineering, Arcfield is actively hiring MBSE modelers and subject matter experts … the selected candidate is responsible for participating in the adoption of MBSE in both customer and company domains. The candidate should have experience modeling systems in SysML, UAF or UML languages. They should also understand how system requirements, design, analysis, verification and validation activities are enabled by MBSE across More ❯
Employment Type: Permanent
Salary: USD 102,094 Annual
Posted:

SAP MDG Specialist

Belgium
SAP Contractors
interfaces, workflows, and validation rules Collaborate with business and technical teams to ensure MDG integrates effectively with S/4HANA and legacy systems Lead data migration, cleansing, and validation initiatives to ensure readiness for go-live Deliver user training and ongoing support to business data owners and … e.g. Vendor, Customer, Material, Finance) Strong configuration and data modelling experience within MDG Familiarity with integration to S/4HANA and legacy systems Experience in setting up governance frameworks and working with business data owners Be part of a high-profile digital transformation and play a pivotal More ❯
Employment Type: Permanent
Salary: EUR Annual
Posted:
Legacy Systems
10th Percentile
£38,750
25th Percentile
£43,125
Median
£57,500
75th Percentile
£79,063
90th Percentile
£105,000