Senior Applications / Software Architect Level 3 to support secure application architecture, software integration, and data management initiatives within complex defence and security environments

S I Systems

Senior Applications / Software Architect Level 3 to support secure application architecture, software integration, and data management initiatives within complex defence and security environments

Our public sector client is seeking a Senior Applications / Software Architect Level 3 to support secure application architecture, software integration, and data management initiatives within complex defence and security environments .

This role supports the design, development, integration, and sustainment of software solutions operating within secure and classified environments. The position focuses on application architecture, data integration, secure network operations, systems interoperability, application deployment, and information management across multiple enterprise and operational platforms.

Responsibilities

Design and implement application and software architectures supporting enterprise and operational information systems
Develop integration solutions for structured and unstructured data sources across multiple platforms and environments
Design and maintain scalable services supporting data storage, processing, auditing, monitoring, and security requirements
Define and implement access control strategies, authentication mechanisms, and secure data management practices
Develop data ingestion, transformation, and integration services supporting real-time and batch processing requirements
Design, develop, and maintain application programming interfaces (APIs), middleware components, and data exchange services
Develop dashboards, reporting solutions, user interfaces, and visualization capabilities to support operational and business requirements
Develop and maintain application source code, automation scripts, workflows, and deployment pipelines across development, testing, and production environments
Support software release management, configuration management, and continuous integration/continuous delivery (CI/CD) processes
Analyze, troubleshoot, and resolve complex technical issues involving operating systems, virtualization technologies, enterprise infrastructure, networked applications, and secure computing environments
Produce technical architecture documentation, solution designs, implementation plans, and operational support documentation
Collaborate with stakeholders, technical teams, and solution architects to ensure interoperability, scalability, security, and performance requirements are achieved
Support technology modernization initiatives, architecture reviews, and system integration activities
Provide technical guidance and recommendations regarding software architecture, integration strategies, operational risks, and emerging technologies

Must Haves

Applications/Software Architect - 10+ years
Programming Operating Systems & Tactical Data Links (secure/unsecured)

Nice to Have

Experience developing enterprise architecture frameworks, technical roadmaps, and solution strategies for government organizations or large enterprises
Experience supporting the installation, integration, or upgrade of hardware and software infrastructure
Experience configuring and integrating enterprise technologies in collaboration with vendors and technical teams
Experience developing, implementing, or testing disaster recovery and business continuity solutions
Experience preparing work plans, technical schedules, project documentation, and progress reports
Experience working within cybersecurity, secure communications, or classified environments

Responsibilities

Design and implement application and software architectures supporting enterprise and operational information systems
Develop integration solutions for structured and unstructured data sources across multiple platforms and environments
Design and maintain scalable services supporting data storage, processing, auditing, monitoring, and security requirements
Define and implement access control strategies, authentication mechanisms, and secure data management practices
Develop data ingestion, transformation, and integration services supporting real-time and batch processing requirements
Design, develop, and maintain application programming interfaces (APIs), middleware components, and data exchange services
Develop dashboards, reporting solutions, user interfaces, and visualization capabilities to support operational and business requirements
Develop and maintain application source code, automation scripts, workflows, and deployment pipelines across development, testing, and production environments
Support software release management, configuration management, and continuous integration/continuous delivery (CI/CD) processes
Analyze, troubleshoot, and resolve complex technical issues involving operating systems, virtualization technologies, enterprise infrastructure, networked applications, and secure computing environments
Produce technical architecture documentation, solution designs, implementation plans, and operational support documentation
Collaborate with stakeholders, technical teams, and solution architects to ensure interoperability, scalability, security, and performance requirements are achieved
Support technology modernization initiatives, architecture reviews, and system integration activities
Provide technical guidance and recommendations regarding software architecture, integration strategies, operational risks, and emerging technologies

Must Haves

Applications/Software Architect - 10+ years
Programming Operating Systems & Tactical Data Links (secure/unsecured)

Nice to Have

Experience developing enterprise architecture frameworks, technical roadmaps, and solution strategies for government organizations or large enterprises
Experience supporting the installation, integration, or upgrade of hardware and software infrastructure
Experience configuring and integrating enterprise technologies in collaboration with vendors and technical teams
Experience developing, implementing, or testing disaster recovery and business continuity solutions
Experience preparing work plans, technical schedules, project documentation, and progress reports
Experience working within cybersecurity, secure communications, or classified environments

Disclaimer:
AI may be used in evaluating candidates.
This posting is for an existing vacancy. #J-18808-Ljbffr

Apply

Vacancy posted 1 day ago

Similar jobs that could be interesting for youBased on the Senior Applications / Software Architect Level 3 to support secure application architecture, software integration, and data management initiatives within complex defence and security environments in London, ON vacancy

Software Developer (Laravel/Symfony | Senior-Level Experience)
...Headquartered in London, ON, we support tournaments across North... ...dependable, customer-focused software. What you’ll do Lead... ...concept to production , including architecture design, implementation,... ...Mentor and guide junior and mid-level developers , providing code...
Senior
Full time
Work at office
Remote work
Monday to friday
Night shift
2 days per week
EventConnect
London, ON
5 hours ago
Mgr Strategic Initiatives
$90.4k - $140.4k per year
...We are seeking a highly motivated and experienced Manager – Strategic Initiatives, Dealer Product to support a critical dealer amalgamation initiative. This one-... ...year contract role will play a key leadership position within the Product workstream, partnering closely with the...
Data
Senior
Permanent employment
Full time
Contract work
Temporary work
Part time
Internship
Work at office
Flexible hours
Canada Life
London, ON
3 days ago
Senior Software QA Tester
$89k - $138k per year
...The Senior Software QA Tester is responsible for leading test strategy, execution, and quality... ...regulated software testing to ensure that complex medical imaging software and hardware products... ...lifecycle. As a senior practitioner within the QA team, this role leads process...
Data
Senior
Full time
Local area
Alimentiv
London, ON
5 hours ago
Part-Time Support Worker 3
$28.67 per hour
...with teams to implement care plans that support participant's involvement in person... ...growth Creating and proving a safe, secure, and supportive environment for participants by developing and maintaining... ...G (full) Driver's License with a 3-year Uncertified Driver Record...
Suggested
Part time
Internship
Local area
Shift work
Afternoon shift
Humana
London, ON
3 days ago
Process Initiative Lead
$61.9k - $114.5k per year
...Job Responsibility: Process Initiative Lead Description: Permanent... ...Lead strategic process and data analysis of advanced concepts... ...findings including large and complex data sets and reports Implement... ...Provide analysis and reconciliation support through savings realization...
Data
Senior
Permanent employment
Full time
Work at office
Canada Life Assurance Company
London, ON
3 days ago
Senior Software Engineer - Dev Ops
$92.5k - $136k per year
...Description Join Team CARFAX as a Senior Software Engineer - Dev Ops We are looking for... ...will own critical platform components, drive architectural decisions, and directly shape the reliability, performance, and security of our AI infrastructure. At its...
Data
Senior
Full time
Summer work
Casual work
Work at office
Local area
Immediate start
Flexible hours
Carfax, Inc.
London, ON
5 hours ago
Software Support Specialist
...Overview The Software Support Specialist role is part of EventConnect’s Operations team and... ...real customer problems in a fast-moving environment. About The Role As a Software Support... ...opportunities for broader growth within EventConnect, including technical roles...
Full time
Event Connect Llc
London, ON
5 hours ago
Solutions Architect
$110k - $130k per year
...hands-on builder: a practical architect who prioritizes active coding and... ...strategy decks. If you view architecture as the hands-on practice of aligning technology, data, and processes, and you thrive... ...portfolio. This is a permanent, senior technical role within our IT Solutions...
Data
Senior
Permanent employment
Full time
Immediate start
Flexible hours
3 days per week
Dillon Consulting
London, ON
12 days ago
Insurance Defence Lawyers
...of Ontario's Leading Insurance Defence Litigation Firms Exceptional... ...thrive where they are challenged, supported, and given the opportunity to... ...unlike any other. We litigate complex, high-profile matters across... ...Our lawyers appear before all levels of court and administrative...
Senior
Long term contract
Full time
Internship
Shillington McCall LLP
London, ON
13 days ago
Senior Software Developer
...iungo Software is growing, and we’re looking for a Senior Software Developer to support our expanding software platform and current project work. This is a contract position... ...development Contributing to AI-related initiatives, including analysis, planning, development support...
Senior
Permanent employment
Full time
Contract work
For contractors
Internship
Work at office
Remote work
2 days per week
3 days per week
iungo Software
London, ON
3 days ago
London Hydro | Manager Cyber Security
$124.8k - $155.9k per year
...MANAGER CYBER SECURITY London Hydro is seeking an experienced, innovative, and strategic Cyber Security Manager to fill a vacancy within its Information Technology team. Reporting to the Vice President... ...critical IT and OT environments, customer data, and essential...
Data
Work at office
Remote work
The MEARIE Group
London, ON
5 days ago
Applications Engineering Specialist
$45 - $55 per hour
...customers to compete at the highest levels. For over 25 years, we’ve partnered... ...committed to serving our customers and supporting one another with integrity and accountability. At BOS, people... ...first. We believe in cultivating an environment where talented individuals grow into...
Full time
Bank staff
Flexible hours
BOS Innovations
London, ON
13 days ago
Relationship Manager/Senior Relationship Manager
$79k - $110k per year
...Meridian, our aspiration is to integrate our purpose into everything... ...that has the most local impact, supported by a purpose-driven Value... ...complementary lending services, cash management solutions, as well as... ...As a Relationship Manager/Senior Relationship Manager: You...
Data
Senior
Full time
Work at office
Local area
Remote work
Meridian Credit Union
London, ON
5 hours ago
Fullstack Software Developer
...PSD Citywide isn’t just a software company; we’re transforming how... ...recognized leader in Enterprise Asset Management, maintenance management, and... ...we intentionally foster a supportive and engaging culture where... ...expertise in technology and data to our team and directly shape...
Data
Remote job
Summer work
Local area
Flexible hours
Weekend work
Psd
London, ON
5 hours ago
Applications & Process Lead
$80k - $110k per year
...actually do into what systems need to support? If you are energized by bringing order to complexity, this opportunity is for you.... ...We are seeking an experienced Applications & Process Lead to own the... ...transformation, overseeing the migration, integration, or sunsetting of legacy...
Data
Full time
Work at office
Flexible hours
3 days per week
Dillon Consulting
London, ON
4 days ago
Senior Director, Data Technology
$175k - $250k per year
...focused on helping to grow a brand built on accuracy and integrity. We care deeply about our products and our customers.... ...life while tackling challenging projects in a fast-paced environment. The Senior Director, Data Technology will lead the transformation of a legacy...
Data
Senior
Long term contract
Full time
Internship
Local area
Immediate start
Carfax, Inc.
London, ON
5 hours ago
Software Developer
...the Environmental Global Impact within the Rail Industry For... ...ours seriously. As the Software Developer , you will be collaborating... ...our Platform and Product Management teams to create engaging and... ...development skills to the next level. Our team is looking for...
Data
Long term contract
Full time
Local area
Flexible hours
Ztr Inc
London, ON
5 hours ago
Cloud Architect
$120k - $170k per year
...Join Team CARFAX as a Cloud Architect. Team CARFAX is looking for hands-on, system-level thinkers who understand the many... ...design cloud-based platforms and data migration strategies to be leveraged... ...a creative and innovative environment where our developers can collaborate...
Data
Full time
Summer work
Casual work
Work at office
Local area
Flexible hours
2 days per week
Carfax, Inc.
London, ON
5 hours ago
Senior Data Scientist (Applied AI & Analytics)
$110k - $150k per year
...Job Title: Senior Data Scientist (Applied AI & Analytics) Location: London, ON / North Bay... ...commensurate with experience) Relocation Support: Moving allowance available About... ...advanced data analytics and AI capabilities within a growing R&D initiative. This role will...
Data
Senior
Full time
Contract work
Worldwide
Relocation package
Itps (canada) Ltd
London, ON
5 hours ago
Applications Engineer - TrueLight Machine Vision
$48 - $54 per hour
...customers to compete at the highest levels. For over 25 years, we’ve partnered... ...committed to serving our customers and supporting one another with integrity and accountability. At BOS, people... ...first. We believe in cultivating an environment where talented individuals grow into...
Data
Full time
Bank staff
Flexible hours
BOS Innovations
London, ON
20 days ago
Temporary Account Manager, Security Services
$45k - $55k per year
...Career development through GardaWorld Campus A supportive, people-driven team environment Interim Account Manager Responsibilities Build strong relationships... ...Lead Embedded Managers, Supervisors, and frontline security staff across multiple locations Oversee daily...
Contract work
Temporary work
Interim role
Work at office
Monday to friday
Shift work
Weekday work
GardaWorld
London, ON
1 day ago
QUALIFIED RSPH LEVEL 2 OR LEVEL 3 PEST MANAGEMENT TECHNICIAN - WEST LONDON
...Cleankill Pest Control has a vacancy for an experienced and qualified RSPH Level 2 or Level 3 Pest Management technician, working West of London - RG/SL/UB postcodes and living within reasonable commuting distance of this area. We are looking for a motivated and dependable...
Level 3
Full time
Cleankill Pest Control
London, ON
24 days ago
IT Operations Support
...for providing prompt and efficient first-level support for all IT related issues. The... ...workstations for new employees (hardware setup, software installation, network connection, and cabling... ..., handheld devices, and printers. Manage and maintain the IT asset inventory,...
Permanent employment
Full time
Local area
Monday to friday
Flexible hours
Day shift
Starlim North America Corporation
London, ON
5 hours ago
System Integrator (Renewable)
...will have the flexibility to manage your work on your own terms and... ...based on trust, mutual respect, integrity, and technical excellence. We... ...Bradley, and GE. RTACs and Data Concentrators across various... ...Valuable project experience includes applications in Solar PV, Wind Generation,...
Data
Full time
Work at office
CIMA+
London, ON
10 days ago
Director, Software Engineering
...Company Building a Chronic Care Management Platform For U.S. Health... ...are looking for a Director, Software Engineering to own the end-to... ...HIPAA-regulated and FDA targeted environment. You will own the... ...engineering strategy into squad-level execution with discipline and...
Data
Senior
Long term contract
Full time
Remote work
Aetonix
London, ON
6 days ago
senior software engineer
$64.48 per hour
...Bachelor's degree Computer software engineering Experience... ...development, installation, integration and operation of computer-based... ...network models to optimize architecture Evaluate the performance... ...document results of software application tests and information and telecommunication...
Senior
Full time
Contract work
Remote work
Compunnel Software Group, Inc.
London, ON
4 days ago
Solution Architect
...Join Team CARFAX as a Solution Architect Isn't it time you... ...brand built on accuracy and integrity. We care deeply about our products... ...challenging projects in a fast-paced environment. One last thing: Our four-... ..., services, content and data to better support our...
Data
Full time
Summer work
Casual work
Work at office
Local area
2 days per week
Carfax, Inc.
London, ON
5 hours ago
Security Risk Analyst
$66.35k - $96.04k per year
...recognized national law firm, we support, grow, and impact our... ...friendly, safe, and supportive environment where your colleagues will rally... ...to you. We are seeking a Security Risk Analyst to join our team... ...assessing and supporting the management of information security risks...
Data
Long term contract
Full time
Temporary work
Flexible hours
Miller Thomson
London, ON
11 days ago
ERP & Business Applications Analyst
$30 - $45 per hour
...cutting-edge products that help support residential, commercial and infrastructure initiatives across Canada. At EMCO Corporation... ...owners and make a difference within our business through striving... ...improvement. You’ll report to the Manager of Systems & Integrations and...
Data
Full time
EMCO Corporation
London, ON
6 days ago
Senior Bridge Engineer /Project Manager
$108.61k - $143.97k per year
...Senior Bridge Engineer /Project Manager Markham, Brampton, London, Hamilton or Ottawa, ON At EXP, we’re driven to provide innovative... ...solutions for the world’s built and natural environments. As a team of engineers, architects, designers, scientists, creators and a...
Senior
Full time
Work at office
EXP
London, ON
3 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Senior Applications / Software Architect Level 3 to support secure application architecture, software integration, and data management initiatives within complex defence and security environments. Be the first to apply!