Developer on call to provide IT & technical support.

Managed Support & Application Maintenance Services

Long-Term Managed Support and Maintenance Services

Our support practice is built on the principle that systems in production require the same engineering rigour as systems in delivery. We deliver application lifecycle support, Microsoft and AWS managed services, DevOps and CI/CD implementation and cybersecurity compliance support for organisations maintaining complex technology environments.

Rosnium's Managed Support Capabilities

Move from reactive to structured SLA delivery.

Implement continuous compliance monitoring.

Proactive response to critical issues.

Blurred motion of a train speeding through a London station at night.

Our Support Expertise

Our support practice spans five interconnected disciplines. Organisations managing complex technology environments rarely face a single isolated support requirement, and our engagements are structured to address the full operational picture. Select any specialism to explore the detail.

Rosnium's Microsoft Partnership Badge.
Rosnium's AWS Partnership Badge.

We provide structured application lifecycle support for organisations that need a long-term technical partner to maintain, improve and extend production systems, whether those systems were built by us or inherited from a third party.

Application Performance Monitoring & Optimisation

Bug Resolution and Root Cause Analysis

Iterative Enhancement and Feature Development

Remote Monitoring and Predictive Maintenance

System Documentation and Knowledge Management

We deliver enterprise-grade, SLA-governed support services for enterprises to guarantee response times, resolution targets, and service consistency across their critical IT infrastructure, whether managed by us or in collaboration with existing teams.

SLA-driven Support Tiers (L1, L2, L3)

24×7 Support Coverage with Guaranteed Response Times

Incident Management and Resolution

SLA Performance Monitoring and Reporting

Priority-based Escalation Paths

We offer certified, partner-driven managed support for AWS, Microsoft, and ServiceNow platforms as an official vendor-partnered team to operate, optimise, and govern cloud and enterprise platforms with deep platform expertise and vendor-backed accountability.

AWS Cloud Monitoring, Optimization & Cost Management

Microsoft 365/Dynamics/Azure Administration & Identity Management

ServiceNow Platform Administration & Module Support

AWS Security & Compliance (IAM, KMS, Security Hub)

ServiceNow Workflow Automation & Upgrade Management

We plan and execute cloud, database and platform migrations for organisations transitioning between cloud providers, we implement DevOps and CI/CD practices that make ongoing change management safer and more predictable after migration is complete.

Cloud Migration Planning and Execution

Database Migration Delivery

Infrastructure Automation (Terraform, Ansible)

CI/CD Pipeline Design and Implementation

Cloud Cost Tracking & Optimization (FinOps)

We deliver proactive, compliance-focused cybersecurity support to monitor threats, manage vulnerabilities, enforce access controls, and maintain regulatory compliance across an organisation's entire technology landscape with 24×7 security operations.

Continuous Vulnerability Scanning with SIEM/SOAR

Security Threat Analytics & Incident Response

Compliance Monitoring (GDPR, ISO, SOC2)

Identity & Access Governance (IAM/PAM/SSO)

Penetration Testing and Remediation Management

We provide structured application lifecycle support for organisations that need a long-term technical partner to maintain, improve and extend production systems, whether those systems were built by us or inherited from a third party.

Application Performance Monitoring & Optimisation

Bug Resolution and Root Cause Analysis

Iterative Enhancement and Feature Development

Remote Monitoring and Predictive Maintenance

System Documentation and Knowledge Management

We deliver enterprise-grade, SLA-governed support services for enterprises to guarantee response times, resolution targets, and service consistency across their critical IT infrastructure, whether managed by us or in collaboration with existing teams.

SLA-driven Support Tiers (L1, L2, L3)

24×7 Support Coverage with Guaranteed Response Times

Incident Management and Resolution

SLA Performance Monitoring and Reporting

Priority-based Escalation Paths

We offer certified, partner-driven managed support for AWS, Microsoft, and ServiceNow platforms as an official vendor-partnered team to operate, optimise, and govern cloud and enterprise platforms with deep platform expertise and vendor-backed accountability.

AWS Cloud Monitoring, Optimization & Cost Management

Microsoft 365/Dynamics/Azure Administration & Identity Management

ServiceNow Platform Administration & Module Support

AWS Security & Compliance (IAM, KMS, Security Hub)

ServiceNow Workflow Automation & Upgrade Management

We plan and execute cloud, database and platform migrations for organisations transitioning between cloud providers, we implement DevOps and CI/CD practices that make ongoing change management safer and more predictable after migration is complete.

Cloud Migration Planning and Execution

Database Migration Delivery

Infrastructure Automation (Terraform, Ansible)

CI/CD Pipeline Design and Implementation

Cloud Cost Tracking & Optimization (FinOps)

We deliver proactive, compliance-focused cybersecurity support to monitor threats, manage vulnerabilities, enforce access controls, and maintain regulatory compliance across an organisation's entire technology landscape with 24×7 security operations.

Continuous Vulnerability Scanning with SIEM/SOAR

Security Threat Analytics & Incident Response

Compliance Monitoring (GDPR, ISO, SOC2)

Identity & Access Governance (IAM/PAM/SSO)

Penetration Testing and Remediation Management

We provide structured application lifecycle support for organisations that need a long-term technical partner to maintain, improve and extend production systems, whether those systems were built by us or inherited from a third party.

Application Performance Monitoring & Optimisation

Bug Resolution and Root Cause Analysis

Iterative Enhancement and Feature Development

Remote Monitoring and Predictive Maintenance

System Documentation and Knowledge Management

We deliver enterprise-grade, SLA-governed support services for enterprises to guarantee response times, resolution targets, and service consistency across their critical IT infrastructure, whether managed by us or in collaboration with existing teams.

SLA-driven Support Tiers (L1, L2, L3)

24×7 Support Coverage with Guaranteed Response Times

Incident Management and Resolution

SLA Performance Monitoring and Reporting

Priority-based Escalation Paths

We offer certified, partner-driven managed support for AWS, Microsoft, and ServiceNow platforms as an official vendor-partnered team to operate, optimise, and govern cloud and enterprise platforms with deep platform expertise and vendor-backed accountability.

AWS Cloud Monitoring, Optimization & Cost Management

Microsoft 365/Dynamics/Azure Administration & Identity Management

ServiceNow Platform Administration & Module Support

AWS Security & Compliance (IAM, KMS, Security Hub)

ServiceNow Workflow Automation & Upgrade Management

We plan and execute cloud, database and platform migrations for organisations transitioning between cloud providers, we implement DevOps and CI/CD practices that make ongoing change management safer and more predictable after migration is complete.

Cloud Migration Planning and Execution

Database Migration Delivery

Infrastructure Automation (Terraform, Ansible)

CI/CD Pipeline Design and Implementation

Cloud Cost Tracking & Optimization (FinOps)

We deliver proactive, compliance-focused cybersecurity support to monitor threats, manage vulnerabilities, enforce access controls, and maintain regulatory compliance across an organisation's entire technology landscape with 24×7 security operations.

Continuous Vulnerability Scanning with SIEM/SOAR

Security Threat Analytics & Incident Response

Compliance Monitoring (GDPR, ISO, SOC2)

Identity & Access Governance (IAM/PAM/SSO)

Penetration Testing and Remediation Management

We provide structured application lifecycle support for organisations that need a long-term technical partner to maintain, improve and extend production systems, whether those systems were built by us or inherited from a third party.

Application Performance Monitoring & Optimisation

Bug Resolution and Root Cause Analysis

Iterative Enhancement and Feature Development

Remote Monitoring and Predictive Maintenance

System Documentation and Knowledge Management

We deliver enterprise-grade, SLA-governed support services for enterprises to guarantee response times, resolution targets, and service consistency across their critical IT infrastructure, whether managed by us or in collaboration with existing teams.

SLA-driven Support Tiers (L1, L2, L3)

24×7 Support Coverage with Guaranteed Response Times

Incident Management and Resolution

SLA Performance Monitoring and Reporting

Priority-based Escalation Paths

We offer certified, partner-driven managed support for AWS, Microsoft, and ServiceNow platforms as an official vendor-partnered team to operate, optimise, and govern cloud and enterprise platforms with deep platform expertise and vendor-backed accountability.

AWS Cloud Monitoring, Optimization & Cost Management

Microsoft 365/Dynamics/Azure Administration & Identity Management

ServiceNow Platform Administration & Module Support

AWS Security & Compliance (IAM, KMS, Security Hub)

ServiceNow Workflow Automation & Upgrade Management

We plan and execute cloud, database and platform migrations for organisations transitioning between cloud providers, we implement DevOps and CI/CD practices that make ongoing change management safer and more predictable after migration is complete.

Cloud Migration Planning and Execution

Database Migration Delivery

Infrastructure Automation (Terraform, Ansible)

CI/CD Pipeline Design and Implementation

Cloud Cost Tracking & Optimization (FinOps)

We deliver proactive, compliance-focused cybersecurity support to monitor threats, manage vulnerabilities, enforce access controls, and maintain regulatory compliance across an organisation's entire technology landscape with 24×7 security operations.

Continuous Vulnerability Scanning with SIEM/SOAR

Security Threat Analytics & Incident Response

Compliance Monitoring (GDPR, ISO, SOC2)

Identity & Access Governance (IAM/PAM/SSO)

Penetration Testing and Remediation Management

We provide structured application lifecycle support for organisations that need a long-term technical partner to maintain, improve and extend production systems, whether those systems were built by us or inherited from a third party.

Application Performance Monitoring & Optimisation

Bug Resolution and Root Cause Analysis

Iterative Enhancement and Feature Development

Remote Monitoring and Predictive Maintenance

System Documentation and Knowledge Management

We deliver enterprise-grade, SLA-governed support services for enterprises to guarantee response times, resolution targets, and service consistency across their critical IT infrastructure, whether managed by us or in collaboration with existing teams.

SLA-driven Support Tiers (L1, L2, L3)

24×7 Support Coverage with Guaranteed Response Times

Incident Management and Resolution

SLA Performance Monitoring and Reporting

Priority-based Escalation Paths

We offer certified, partner-driven managed support for AWS, Microsoft, and ServiceNow platforms as an official vendor-partnered team to operate, optimise, and govern cloud and enterprise platforms with deep platform expertise and vendor-backed accountability.

AWS Cloud Monitoring, Optimization & Cost Management

Microsoft 365/Dynamics/Azure Administration & Identity Management

ServiceNow Platform Administration & Module Support

AWS Security & Compliance (IAM, KMS, Security Hub)

ServiceNow Workflow Automation & Upgrade Management

We plan and execute cloud, database and platform migrations for organisations transitioning between cloud providers, we implement DevOps and CI/CD practices that make ongoing change management safer and more predictable after migration is complete.

Cloud Migration Planning and Execution

Database Migration Delivery

Infrastructure Automation (Terraform, Ansible)

CI/CD Pipeline Design and Implementation

Cloud Cost Tracking & Optimization (FinOps)

We deliver proactive, compliance-focused cybersecurity support to monitor threats, manage vulnerabilities, enforce access controls, and maintain regulatory compliance across an organisation's entire technology landscape with 24×7 security operations.

Continuous Vulnerability Scanning with SIEM/SOAR

Security Threat Analytics & Incident Response

Compliance Monitoring (GDPR, ISO, SOC2)

Identity & Access Governance (IAM/PAM/SSO)

Penetration Testing and Remediation Management

Modern data center corridor with server racks.

Managed Support Engagements We Offer

Our engagements are designed to match the level of support your complex environment deserves.

Co-Managed Retainer

A shared support model where we work alongside your internal team under an agreed split of responsibilities and escalation paths. Best for organisations that want specialist depth, overflow capacity, or operational backup without replacing in-house staff.

L1 Internal

L2/L3 Rosnium

Shared Responsibility

Co-Managed Retainer

A shared support model where we work alongside your internal team under an agreed split of responsibilities and escalation paths. Best for organisations that want specialist depth, overflow capacity, or operational backup without replacing in-house staff.

L1 Internal

L2/L3 Rosnium

Shared Responsibility

SLA-Managed Retainer

An ongoing support agreement with defined response times, coverage windows, and priority levels aligned to business-critical needs. Ideal when clients want predictable support, faster escalation, and a clear service structure.

SLA-Priority

P1/ P2/ P3

Predictable Support

End-to-End Support

A fully managed service for clients who want us to own the day-to-day operation, support, and improvement of a function or platform. We act as an extension of your team with clear accountability, regular reporting, and predictable service coverage.

Fully Managed

End-to-End

Enterprise Support

Ready to Put Your Production Systems on a Structured Support?

Ready to Put Your Production Systems on a Structured Support?

Ready to Put Your Production Systems on a Structured Support?

Ready to Put Your Production Systems on a Structured Support?

Ready to Put Your Production Systems on a Structured Support?

Why Choose Rosnium for Managed Support Services

As a long-term technology partner, our approach relies on strategising based on what is right for your system.

SLA Commitments

Our SLA commitments are backed by defined incident management processes, escalation pathways and on-call protocols that exist before they are needed.

Proactive Response

We monitor production environments continuously and address degradation before it becomes an incident. Performance drift, security exposure and dependency vulnerabilities are identified and managed on an ongoing basis.

Continuous Compliance

Compliance monitoring, audit evidence generation and security policy maintenance are embedded into the support model, ensuring organisations remain aligned to GDPR, Cyber Essentials and ISO 27001 requirements.

Knowledge Transfer

Our support engagements are structured so that knowledge is never concentrated in a single individual. Organisations are never exposed to the risk of a single point of failure within the production systems.

What Our Clients Say About Working with Us

Rosnium did an excellent job. Since the launch of our new platform, our booking processing capacity has tripled. The team was highly professional and maintained transparent communication with clear project priorities throughout. We are very pleased with the results, and they continue to be our dedicated partner.

Business Owner

Logo of Bookmycamera

Rosnium delivered exactly what we wanted with a professional and human approach. Their ability to simplify our sometimes overly complicated requirements was commendable. They have an outstanding work ethic and truly stood out as a great technology partner.

Chief Investment Officer | Vijay Govardhan

Client Logo: RR

Rosnium helped us build a world-class trading platform with security baked in from day one. Their clear, milestone-driven approach and close collaboration meant we could launch a complex product on time, without surprises. They’re a highly professional team and one we genuinely trust with our technology.

Chief Technology Officer

Client Logo: Kristal AI

Rosnium did an excellent job. Since the launch of our new platform, our booking processing capacity has tripled. The team was highly professional and maintained transparent communication with clear project priorities throughout. We are very pleased with the results, and they continue to be our dedicated partner.

Business Owner

Logo of Bookmycamera

Rosnium delivered exactly what we wanted with a professional and human approach. Their ability to simplify our sometimes overly complicated requirements was commendable. They have an outstanding work ethic and truly stood out as a great technology partner.

Chief Investment Officer | Vijay Govardhan

Client Logo: RR

Rosnium helped us build a world-class trading platform with security baked in from day one. Their clear, milestone-driven approach and close collaboration meant we could launch a complex product on time, without surprises. They’re a highly professional team and one we genuinely trust with our technology.

Chief Technology Officer

Client Logo: Kristal AI

Rosnium did an excellent job. Since the launch of our new platform, our booking processing capacity has tripled. The team was highly professional and maintained transparent communication with clear project priorities throughout. We are very pleased with the results, and they continue to be our dedicated partner.

Business Owner

Logo of Bookmycamera

Rosnium delivered exactly what we wanted with a professional and human approach. Their ability to simplify our sometimes overly complicated requirements was commendable. They have an outstanding work ethic and truly stood out as a great technology partner.

Chief Investment Officer | Vijay Govardhan

Client Logo: RR

Rosnium helped us build a world-class trading platform with security baked in from day one. Their clear, milestone-driven approach and close collaboration meant we could launch a complex product on time, without surprises. They’re a highly professional team and one we genuinely trust with our technology.

Chief Technology Officer

Client Logo: Kristal AI

Rosnium did an excellent job. Since the launch of our new platform, our booking processing capacity has tripled. The team was highly professional and maintained transparent communication with clear project priorities throughout. We are very pleased with the results, and they continue to be our dedicated partner.

Business Owner

Logo of Bookmycamera

Rosnium delivered exactly what we wanted with a professional and human approach. Their ability to simplify our sometimes overly complicated requirements was commendable. They have an outstanding work ethic and truly stood out as a great technology partner.

Chief Investment Officer | Vijay Govardhan

Client Logo: RR

Rosnium helped us build a world-class trading platform with security baked in from day one. Their clear, milestone-driven approach and close collaboration meant we could launch a complex product on time, without surprises. They’re a highly professional team and one we genuinely trust with our technology.

Chief Technology Officer

Client Logo: Kristal AI

FAQs: Support & Maintenance

Can't find what you're looking for? Reach out directly at hello@rosnium.com.

Support Your Production Systems with Rosnium

Share a few details through our project form and we will get in touch to discuss your requirements and define the right path forward. Alternatively, you can also email us at hello@rosnium.com

Support Your Production Systems with Rosnium

Share a few details through our project form and we will get in touch to discuss your requirements and define the right path forward. Alternatively, you can also email us at hello@rosnium.com

Support Your Production Systems with Rosnium

Share a few details through our project form and we will get in touch to discuss your requirements and define the right path forward. Alternatively, you can also email us at hello@rosnium.com

Support Your Production Systems with Rosnium

Share a few details through our project form and we will get in touch to discuss your requirements and define the right path forward. Alternatively, you can also email us at hello@rosnium.com

Support Your Production Systems with Rosnium

Share a few details through our project form and we will get in touch to discuss your requirements and define the right path forward. Alternatively, you can also email us at hello@rosnium.com

Contact Us

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Contact Us

Share a few details and a senior consultant will be in touch to discuss your requirements.

By clicking "Send Message," you agree to our Privacy Policy and consent to us processing your information to respond to your enquiry.

Contact Us

Share a few details and a senior consultant will be in touch to discuss your requirements.

By clicking "Send Message," you agree to our Privacy Policy and consent to us processing your information to respond to your enquiry.

Contact Us

Share a few details and a senior consultant will be in touch to discuss your requirements.

By clicking "Send Message," you agree to our Privacy Policy and consent to us processing your information to respond to your enquiry.

Contact Us

Share a few details and a senior consultant will be in touch to discuss your requirements.

By clicking "Send Message," you agree to our Privacy Policy and consent to us processing your information to respond to your enquiry.