Senior Network Security Architect & IT Infrastructure Consultant — Sweden, Nordic Region & DACH

Network Security Assessment & Network Architecture Design —built for real-world operations.

FM-NetSec Nordic delivers network security assessments, architecture design, and firewall consulting for SMEs and enterprises in Sweden, Norway, Denmark, Finland, Germany, Austria, and Switzerland — identifying risks and fixing architectural weaknesses before incidents happen.

25+ Years experience
3 Service categories
3 Languages

Core Principles

The foundation of every engagement — from initial assessment through long-term support.

Security by Design

Security is built into the architecture from the outset — not layered on as an afterthought. Every design decision considers threat exposure, access control, and auditability.

Technical Integrity Over Vendor Promises

Recommendations are based on technical merit and operational fit — not partnerships or incentives. The right tool for the situation, evaluated objectively.

Solutions Built Around Real Customer Needs

There is no standard template. Each engagement starts with understanding the actual environment, constraints, and operational reality — then building from there.

Long-term Stability and Maintainability

Architectures are designed to remain manageable — by the customer, by future administrators, and under operational pressure. Complexity is minimised where possible.

Common Infrastructure Challenges

These are the situations FM-NetSec Nordic encounters most frequently — and resolves.

Unstable & Growing Networks

Networks that have grown organically over years without consistent planning become fragile, opaque, and difficult to secure.

Approach: Structured network security assessment and architecture redesign — restoring clarity and stability through proper segmentation.

Limited Internal IT Resources

Many organisations lack the internal expertise to plan, implement, or maintain complex network infrastructure — especially during growth phases or transitions.

Approach: External planning and implementation that supplements the team without creating long-term dependency.

Security & Compliance Risks

Regulatory requirements such as DORA and NIS2 demand demonstrable security controls in network infrastructure — a gap that most organisations underestimate.

Approach: Security-integrated network design that addresses NIS2 and DORA compliance requirements without overcomplicating operations.

Complex Troubleshooting in Production

Intermittent failures, performance degradation, and unexplained outages in production environments — often with significant business impact and no clear path to resolution.

Approach: Systematic root cause analysis with a focus on permanent resolution, not symptomatic workarounds.

What Clients and Colleagues Say

FM-NetSec Nordic has worked with leading organisations across Europe. These are assessments from people who have worked directly with the practice.

"In over 20 years in IT, I have never met a more complete IT security and network specialist."

Ralf Alberti IT Security Officer, Hypoport SE

"Contributed excellent professional expertise in a dynamic, complex business environment."

Caroline Theißen Executive Director, Hypoport hub SE

"Extremely competent, engaged, and reliable colleague — warmly recommended."

Joachim Braune CEO, NETFOX AG

"Excellent IT Security & Network Architect — highly recommended!"

Maik Preussler Senior Client Manager, NTT Germany AG & Co. KG

25+ Years of Hands-on Infrastructure Experience

FM-NetSec Nordic is not a consultancy that theorises about infrastructure — it is built on decades of direct technical responsibility in complex, production environments.

Network Architecture

Designing scalable, segmented, and maintainable network infrastructures — from small office deployments to multi-site enterprise environments.

Security Engineering

Firewall architecture, VPN design, access control, network monitoring, and compliance-aligned security controls integrated into the infrastructure layer.

Troubleshooting

Root cause analysis of complex, intermittent, and production-critical failures — including issues that have resisted resolution through standard support channels.

Practical Implementation

Designs are carried through to working deployments — not handed off as documentation. Experience spans planning, configuration, commissioning, and handover.

If your infrastructure is unstable, insecure, or simply unclear — let's talk.

No sales process. A direct, focused technical conversation about your actual situation.

kontakta@fm-netsec.se LinkedIn Hällefors, Sweden — Nordic & DACH