Legacy Systems Jobs

1 to 25 of 729 Legacy Systems Jobs

Systems Administrator III Lead with Security Clearance

Norfolk, Virginia, United States
CACI
Systems Administrator III Lead Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Continental US The Opportunity: Join NAVSEA 03S as the lead Systems Administrator for the Navy Maintenance and … Modernization Enterprise Solution (NMMES) Play a crucial role in managing and optimizing complex IT systems supporting naval ship and submarine maintenance operations Oversee system administration for diverse technologies serving over 45,000 users across global Navy facilities, including Navy Shipyards and Intermediate Maintenance Facilities Lead initiatives to maintain and … improve both legacy systems and modern web-based applications Drive the operational efficiency of NMMES infrastructure, balancing system performance with customer-driven enhancements and technology obsolescence challenges Manage the full lifecycle of systems, from configuration and deployment to maintenance and upgrades Apply SAFe Agile methodologies to More ❯
Employment Type: Permanent
Salary: USD 143,700 Annual
Posted:

Enterprise Architect Lead with Security Clearance

Norfolk, Virginia, United States
CACI
Play a crucial role in designing and implementing enterprise-wide IT architecture supporting naval ship and submarine maintenance operations Develop architectural solutions for complex systems serving over 45,000 users across global Navy facilities, including Navy Shipyards and Intermediate Maintenance Facilities Lead initiatives to modernize legacy systems … Oriented Architecture (SOA) Maintain technical currency on evolving technology trends and available COTS products that implement these technologies Ensure integration between legacy systems and modern web-based applications running on multiple operating systems Develop and maintain enterprise architecture documentation and standards Implement and champion SAFe Agile … enterprise architecture or related field within DoD/Navy programs Extensive knowledge of enterprise architecture principles and practices, particularly in managing complex, global IT systems Proven experience leading technical teams and managing full enterprise architecture lifecycle processes SAFe Agilist (SA) certification or higher Desired: Advanced degree in Computer Science More ❯
Employment Type: Permanent
Salary: USD 229,200 Annual
Posted:

Senior Mainframe Migration Delivery Consultant, ProServe Mainframe Center of Excellence

London, United Kingdom
ENGINEERINGUK
Bachelor's degree in computer science, Engineering, related field, or equivalent experience. Substantial hands-on technical experience with mainframe, non-x86 legacy systems and with technologies such as COBOL, JCL, CICS, DB2 for z/OS, Assembler, PL/I, Java, Rexx, flat/sequential files, GDGs … and VSAM. Proven track record in a technical lead role migrating workloads from mainframe and non-x86 legacy systems to distributed x86 infrastructures either on-premises or on to the Cloud. Deep experience integrating mainframe and non-x86 legacy systems with distributed Linux-based … audiences AWS associate or professional level certifications (e.g., Solutions Architect Associate or Professional, DevOps Engineer Professional) preferred Experience leading customers with mainframe and legacy modernization initiatives. Experience with tools and methodologies used to migrate mainframe workloads via hardware/middleware emulation, automated code conversion, and re-platforming. Experience More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Mainframe Migration Delivery Consultant, ProServe Mainframe Center of Excellence

London, United Kingdom
Amazon
Bachelor's degree in computer science, Engineering, related field, or equivalent experience. Substantial hands-on technical experience with mainframe, non-x86 legacy systems and with technologies such as COBOL, JCL, CICS, DB2 for z/OS, Assembler, PL/I, Java, Rexx, flat/sequential files, GDGs … and VSAM. Proven track record in a technical lead role migrating workloads from mainframe and non-x86 legacy systems to distributed x86 infrastructures either on-premises or on to the Cloud. Deep experience integrating mainframe and non-x86 legacy systems with distributed Linux-based … audiences. AWS associate or professional level certifications (e.g., Solutions Architect Associate or Professional, DevOps Engineer Professional) preferred. Experience leading customers with mainframe and legacy modernization initiatives. Experience with tools and methodologies used to migrate mainframe workloads via hardware/middleware emulation, automated code conversion, and re-platforming. Experience More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Engineering Manager

Belgium
Hybrid / WFH Options
Esko
anticipate roadblocks, and coordinate across technical teams to mitigate development bottlenecks. Collaborate with architecture, security, and operations teams to manage dependencies, legacy systems, and integrations Drive process improvements and automation to optimize development workflows and minimize technical debt The Ideal Candidate Proven software engineering team management (ideally … SaaS especially relevant) Ability to prioritize and manage multiple projects while working in a fast-paced, cross-functional environment. Knowledge of legacy systems and integrations in complex IT landscapes is a strong plus (driving continuous improvement and optimizing workflows across complex legacy systems and More ❯
Employment Type: Permanent
Salary: EUR Annual
Posted:

Data Controller

Chester, Cheshire, North West, United Kingdom
Hybrid / WFH Options
WS Audiology
is maintained and managed with a clear focus on data quality Update and maintain account information - working in Infor and any legacy systems to manage account data Data is maintained in line with company policies and that any changes or discrepancies are identified and updated Mitigate business … and key stakeholder communication New account set up of documents including Amber Road checks, ensuring CRM contacts are created Maintain product data within eCommerce systems and preparing item data for product registrations and any future solutions to ensure all product information is available to customers to order Update and … any changes as required to ensure continued availability of all products to market Update and maintain price books within Infor and legacy systems for all brands, including bespoke SLAs for customers To maintain Master Data within Infor (ERP) and legacy systems, to include account More ❯
Employment Type: Permanent, Work From Home
Salary: £35,000
Posted:

System Reliability Engineer with Security Clearance

Norfolk, Virginia, United States
CACI
Reliability Engineer for the Navy Maintenance and Modernization Enterprise Solution (NMMES) Play a crucial role in ensuring the reliability, performance, and scalability of IT systems supporting naval ship and submarine maintenance operations Work on complex systems serving over 45,000 users across global Navy facilities, including Navy Shipyards … the gap between development and operations teams to improve system reliability and efficiency Contribute to the modernization of NMMES infrastructure, balancing legacy systems with new technology integration Implement and maintain robust monitoring, alerting, and incident response processes Apply SAFe Agile and DevOps methodologies to improve system reliability … implement, and maintain scalable and reliable infrastructure for NMMES applications and services Develop and implement automation solutions for deployment, scaling, and management of NMMES systems Monitor system performance, availability, and capacity, and proactively address potential issues Implement and maintain robust logging, monitoring, and alerting systems Participate in on More ❯
Employment Type: Permanent
Salary: USD 188,000 Annual
Posted:

OT Cybersecurity Technical Lead

Derby, Derbyshire, United Kingdom
Expleo
role, you will lead the technical assurance and delivery of cybersecurity activities across a programme of work involving legacy and modern OT systems, rail-specific technologies, and industrial control components. You will work closely with engineering and operational teams to embed cybersecurity across the lifecycle, ensuring alignment … engagement, focusing on protecting operational technology (OT) and safety-critical systems. Provide hands-on technical leadership to guide the secure delivery of client-specific systems and solutions, ensuring alignment with project requirements, sector standards, and regulatory obligations. Collaborate with client engineering and programme teams to integrate cybersecurity into system … design, deployment, and ongoing operations. Define cybersecurity requirements within the client's environment, including rail-specific systems, legacy OT, and modern industrial platforms. Support developing and delivering security risk assessments, threat models, and control frameworks following the relevant standards. Contribute to the production and review of assurance More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

OT Cybersecurity Technical Lead

Derby, Derbyshire, United Kingdom
TieTalent
role, you will lead the technical assurance and delivery of cybersecurity activities across a programme of work involving legacy and modern OT systems, rail-specific technologies, and industrial control components. You will work closely with engineering and operational teams to embed cybersecurity across the lifecycle, ensuring alignment … rail sector client engagement, focusing on protecting operational technology (OT) and safety-critical systems.Define cybersecurity requirements within the client's environment, including rail-specific systems, legacy OT, and modern industrial platforms.Support developing and delivering security risk assessments, threat models, and control frameworks following the relevant standards.Provide expertise … on OT protocols, SCADA systems, field devices, and network architecture relevant to the client's operational landscape.Mentor and support other team members embedded within the client account, ensuring technical consistency and alignment to Expleo's delivery standards.Participate in knowledge sharing and capability development activities within the Cybersecurity Practice, contributing More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

OT Cybersecurity Technical Lead

Derby, Derbyshire, East Midlands, United Kingdom
Expleo Group
role, you will lead the technical assurance and delivery of cybersecurity activities across a programme of work involving legacy and modern OT systems, rail-specific technologies, and industrial control components. You will work closely with engineering and operational teams to embed cybersecurity across the lifecycle, ensuring alignment … sector client engagement, focusing on protecting operational technology (OT) and safety-critical systems. Define cybersecurity requirements within the client's environment, including rail-specific systems, legacy OT, and modern industrial platforms. Support developing and delivering security risk assessments, threat models, and control frameworks following the relevant standards. … Provide expertise on OT protocols, SCADA systems, field devices, and network architecture relevant to the client's operational landscape. Mentor and support other team members embedded within the client account, ensuring technical consistency and alignment to Expleo's delivery standards. Participate in knowledge sharing and capability development activities within More ❯
Employment Type: Permanent
Posted:

OT Cybersecurity Technical Lead

nottingham, midlands, united kingdom
Expleo Group
role, you will lead the technical assurance and delivery of cybersecurity activities across a programme of work involving legacy and modern OT systems, rail-specific technologies, and industrial control components. You will work closely with engineering and operational teams to embed cybersecurity across the lifecycle, ensuring alignment … sector client engagement, focusing on protecting operational technology (OT) and safety-critical systems. Define cybersecurity requirements within the client's environment, including rail-specific systems, legacy OT, and modern industrial platforms. Support developing and delivering security risk assessments, threat models, and control frameworks following the relevant standards. … Provide expertise on OT protocols, SCADA systems, field devices, and network architecture relevant to the client's operational landscape. Mentor and support other team members embedded within the client account, ensuring technical consistency and alignment to Expleo's delivery standards. Participate in knowledge sharing and capability development activities within More ❯
Posted:

OT Cybersecurity Technical Lead

chesterfield, midlands, united kingdom
Expleo Group
role, you will lead the technical assurance and delivery of cybersecurity activities across a programme of work involving legacy and modern OT systems, rail-specific technologies, and industrial control components. You will work closely with engineering and operational teams to embed cybersecurity across the lifecycle, ensuring alignment … sector client engagement, focusing on protecting operational technology (OT) and safety-critical systems. Define cybersecurity requirements within the client's environment, including rail-specific systems, legacy OT, and modern industrial platforms. Support developing and delivering security risk assessments, threat models, and control frameworks following the relevant standards. … Provide expertise on OT protocols, SCADA systems, field devices, and network architecture relevant to the client's operational landscape. Mentor and support other team members embedded within the client account, ensuring technical consistency and alignment to Expleo's delivery standards. Participate in knowledge sharing and capability development activities within More ❯
Posted:

F-35 Air Systems Information Assurance Security Engineer TS/SC with Security Clearance

Arlington, Virginia, United States
Hybrid / WFH Options
General Dynamics Information Technology
Transform technology into opportunity as an Information Assurance Security Engineer (Air Systems) with GDIT. A career in Security Engineering means connecting and enhancing the systems that matter most. At GDIT you'll be at the forefront of innovation and play a meaningful part in improving how agencies operate. … At GDIT, people are our differentiator. Our work depends on an Information Assurance Security Engineer (Air Systems) to provide knowledge-based information assurance and cybersecurity IT services to the F-35 Directorate of Cyber Integration (DCI) in support of the F-35 Lightning II Joint Program Office (JPO) in … Arlington, VA. The F-35 Lightning II Program is the Department of Defense's focal point for defining affordable next generation strike aircraft weapon systems for the Navy, Air Force, Marines, and our allies. The F-35 will bring cutting-edge technologies to the battlespace of the future. The More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

F-35 Senior Air Systems Information Assurance Security Engineer with Security Clearance

Arlington, Virginia, United States
Hybrid / WFH Options
General Dynamics Information Technology
Transform technology into opportunity as a Senior Information Assurance Security Engineer (Air Systems) with GDIT. A career in Security Engineering means connecting and enhancing the systems that matter most. At GDIT you'll be at the forefront of innovation and play a meaningful part in improving how agencies … operate. At GDIT, people are our differentiator. Our work depends on a Senior Information Assurance Security Engineer (Air Systems) to provide knowledge-based information assurance and cybersecurity IT services to the F-35 Directorate of Cyber Integration (DCI) in support of the F-35 Lightning II Joint Program Office … Arlington, VA The F-35 Lightning II Program is the Department of Defense's focal point for defining affordable next generation strike aircraft weapon systems for the Navy, Air Force, Marines, and our allies. The F-35 will bring cutting-edge technologies to the battlespace of the future. The More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

DAO Level 3 with Security Clearance

Annapolis Junction, Maryland, United States
JASINT Consulting and Technologies, LLC
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. 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, and related security authorization documentation Identify and support overall security requirements for More ❯
Employment Type: Permanent
Salary: USD 225,000 Annual
Posted:

Software QA Analyst IV Lead with Security Clearance

Norfolk, Virginia, United States
CACI
Software QA Analyst for the Navy Maintenance and Modernization Enterprise Solution (NMMES) Play a crucial role in ensuring the quality and reliability of software systems supporting naval ship and submarine maintenance operations Lead quality assurance efforts for complex software serving over 45,000 users across global Navy facilities, including … testing status and application deviations from documented user requirements Develop and implement QA strategies that address the unique challenges of both legacy systems and new technology integrations Lead and mentor a team of QA professionals, fostering a culture of quality throughout the software development lifecycle Implement and … experience in software quality assurance or related field within DoD/Navy programs Extensive knowledge of software testing methodologies, particularly for complex, global IT systems Proven experience leading QA teams and managing full software testing lifecycle processes SAFe Agilist (SA) certification or higher Desired: Bachelor's degree in Computer More ❯
Employment Type: Permanent
Salary: USD 172,400 Annual
Posted:

System Engineer (Multiple Levels) with Security Clearance

Columbia, Maryland, United States
Weeghman & Briggs
TS/SCI w/Polygraph System Engineer 1 Salary: $153,000 - $170,900 Description: The Data Team is focused on modernizing business IT systems that currently span multiple databases, user interfaces, and data formats. The team will initially focus on documenting existing systems and creating a plan … to migrate to a new platform. The second phase includes the migration of business data from the legacy systems to the new platform. The SE1 will be responsible for documenting entity relationships, data dictionaries, system interfaces, and data flows. They will work with developers, business analysts and … recommend optimizations to the platform and workflows based on user needs. YOE/Degree Requirements: 7 years with a Bachelor's in Computer Science, Systems Engineering (or related field) or 12 years without the degree. Required Skills: Database design/operations/maintenance, reverse engineering, data normalization and cleansing More ❯
Employment Type: Permanent
Salary: USD 170,900 Annual
Posted:

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:

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:

Systems Engineering Lead

Farnborough, Hampshire, United Kingdom
Hybrid / WFH Options
Leidos
Description Systems Engineering Lead We are in search of a Systems Engineering Lead for our Leidos engineering capability. The successful Systems Engineer will have a full understanding of the principles of systems engineering, will have prior experience as a Systems Engineer on a major programme … involving accepting and integrating deliveries from suppliers. As a Systems Engineer in Leidos, you will be immersed in one of our key programmes - transformation from legacy systems to cloud. On behalf of our central government customer, you will have direct impact on the current and future … important pieces of critical national infrastructure. If this sounds like the kind of environment where you can thrive, keep reading! Using your experience in Systems Engineering, you will be responsible for working with customers and suppliers to execute/lead Systems Engineering activities across the full lifecycle. What More ❯
Employment Type: Permanent
Salary: GBP 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:
Legacy Systems
10th Percentile
£38,750
25th Percentile
£43,125
Median
£57,500
75th Percentile
£80,000
90th Percentile
£105,000