OpenSECURE — Security + Automation
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Eelke Smit · Freelance Security Specialist

Security.
With depth.

F5, A10 Networks and Automation. Specialist application delivery design, implementation and troubleshooting, plus A10 DDoS protection. With Ansible and APIs, I make operations repeatable and clear.

OPENSECURE / SHELLeelke@opensecure: ~

OpenSECURE / Security & Automation

Type help to get started.

Direct contact. Technical depth. Practical solutions.F5 / A10 NETWORKS / AUTOMATION

F5 / A10 NETWORKS

From challenge
to solution.

Business-critical applications need a considered architecture. With F5 and A10 Networks, I help from the first design through to a stable production environment.

F5 BIG-IP

BIG-IP LTM, APM, ASM and DNS. Application delivery, access and security, with availability and performance in mind.

LTMAPMASMDNS / GSLB

A10 Networks

Application delivery, GSLB and DDoS protection with A10 Networks. From design and implementation to troubleshooting and F5-to-A10 migrations.

ADCGSLBDDoSMigrations

Architecture & design

An architecture that fits your applications, security requirements and existing environment. Availability and operations are part of the plan from the start.

Implementation & migration

New environments, upgrades and cross-platform migrations. With a clear implementation plan, rollback scenario and documentation for your team.

Troubleshooting & optimisation

Finding the cause behind complex behaviour. Analysing traffic, configuration and logs, then validating the solution in your environment.

Security & availability

Application security, secure access and GSLB. Appropriate controls and an architecture that supports continuity.

AUTOMATION

Less manual work.
More control.

Automation is a practice in its own right. With Red Hat Ansible, APIs and open source technology, I make configurations and changes repeatable across on-premises and cloud security environments.

Ansible & playbooks

Capturing configurations in reusable playbooks. Fewer manual steps and a consistent approach to deployment and operations.

APIs & integrations

Connecting F5, A10 and the rest of your environment. Automating recurring tasks through APIs and existing tools.

Operations & handover

Clear workflows and documentation for your team. Automation you can understand, maintain and extend.

SUPPORTING EXPERTISE / TECHNOLOGY

The technology.
The depth.

F5, A10 and automation are at the core. DNS, firewall, email and cloud knowledge ensures the solution fits the rest of your environment too.

DNS & DNS security

Infoblox · F5 DNS

Next-Gen Firewalls

Palo Alto Networks · Fortinet

Email security

Secure email infrastructure

Cloud

AWS

OpenSECURE
EXPLORE / F5

F5

F5 LTM, APM, ASM, DNS and GSLB. Design, implementation and specialist troubleshooting.

Select a vendor to explore the expertise.

SPECIALIST EXPERTISE

Proven
expertise.

F5, A10 and automation. Certification history and practical experience that reinforce each other in the design, implementation and management of your environment.

View certification history

F5 Solution Expert

My F5 certification history spans BIG-IP Administrator, Technical Specialist and Solution Expert. A strong foundation for specialist application delivery and security work.

F5-CAF5-CTSF5-CSE

A10 delivery & DDoS

Practical experience with A10 environments: application delivery, GSLB and DDoS protection. Design, implementation and troubleshooting, including F5-to-A10 migrations.

Application deliveryGSLBDDoS

Automation & open source

Repeatable configurations, clear changes and less manual work. With Ansible, APIs and open source technology, I connect on-premises and cloud security solutions.

AnsibleAPI’sOpensource

Eelke’s certification history

Badges from the OpenSECURE certification history.

F5-CA certification history badge
F5-CTS certification history badge
F5-CSE certification history badge
PA-PCNSE certification history badge
PA-Platform certification history badge
PA-PCNSE-2020 certification history badge
Infoblox certification history badge
NSE-4-ID certification history badge

TRUST / THE APPROACH

Critical systems.
Delivered reliably

Public sector

Security for public sector environments, with careful changes and availability in mind.

Dependable

Your change and security procedures guide the work. Confidential information stays confidential.

Direct communication

A direct line to the specialist doing the work, with clear agreements about support.

Focused on results

A clear scope up front. A documented solution. Knowledge handed over to your team.

For organizations where continuity, security and clear agreements matter.

For critical environments across

GovernmentPoliceMunicipalitiesCommercial organizations
EELKE SMIT / EDE, THE NETHERLANDS

ABOUT

A specialist.
A sparring partner.

You need someone who understands your challenge and helps you make the right decisions.

I’m Eelke Smit, a freelance IT Security & Automation Specialist based in Ede, the Netherlands. I help with security advice, design and implementation.

My specialisms are F5, A10 Networks and automation. I combine application delivery, security and A10 DDoS protection with Ansible, APIs and open source. DNS, firewall and cloud knowledge helps me look beyond a single platform.

Eelke on LinkedIn

CONTACT

A good conversation.
A clear plan.

Tell me what you’re working through. Whether it’s an architecture, a F5 or A10 migration, DNS or automation, we’ll discuss what your environment needs.

Ede · Gelderland · The Netherlands