SKYBERT(1) CV SKYBERT(1)

NAME

skybert — Torstein Krause Johansen

SYNOPSIS

Senior programmer and admin with strong skills in Unix, Java, Python, BASH and REST.

DESCRIPTION

Loves complex Unix and Linux systems comprised of HTTP servers, web caches, load balancers, distributed memory caches, databases, LDAP, IAMs and application servers. Making them all play together is a treat.

Enjoys developing Java and Python applications, taking a keen interest in open standards like HTTP, OAuth, HTML, XML and CSS.

Significant experience with app security, integrating it with CI/CD and securing systems with Identity Access Management backends.

EXPERIENCE

Stibo DX, System architect, 2015 →

Conduct AS, Senior consultant, 2013 – 2015

Escenic, System architect, 2008 – 2013

Escenic, Senior consultant, 2005 – 2008

CoreMedia AG, Technical Consultant, 2004 – 2005

Splendid Internet GmbH, Developer, 2003 – 2004

Opera Software, Intern, 2001 – 2002

EDUCATION

MSc Human Resource Management, The University of Stirling, 2002-2003

BSc Computer science, Østfold University College, 1999-2002

Business English, Østfold University College, 1998-1999

LANGUAGES

--norwegian

Norwegian is my mother tongue

--english

I took my master's degree in Scotland and have had English as my working language for more than 19 years.

--german

Have lived in Germany for 2.5 years and have worked in German speaking countries for a total of 4 years.

--mandarin

Good oral skills in Mandarin Chinese for every day conversation.

ROLES

--programmer

Love creating programs to solve problems for our users.

--architect

Enjoy thinking big, focusing on how systems talk to each other, the input and output format flow and security.

--educator

Love teaching, sharing what I know and helping others.

TECHNOLOGY

Linux: Debian, Ubuntu, RHEL, CentOS, SuSE, Arch

UNIX: HP-UX, Solaris, FreeBSD, OpenBSD

Java: JAX-RS, JPA, XOM, Lombok, Dropwizard, Spring Boot/Batch/DI, Hibernate, JMS

Python: Flask, jinja2, lxml, PyYAML, requests

IAM: OAuth2, OpenID Connect, Keycloak, Gluu, Okta, Entra ID (Azure AD)

Database: Oracle, MySQL, Percona, MariaDB, PostgreSQL, Derby

In-memory: Redis, Memcached, Hazelcast

Queues: ActiveMQ, Kafka

LDAP: OpenLDAP, Active Directory

Web: Apache httpd, Nginx, lighthttpd, Varnish, Squid

Build: Jenkins, Nexus, APT and YUM repo management

BASH: sed, awk, curl, jq

Containers: LXD, Docker, Podman, Kubernetes, Openshift

Virtual: KVM, VirtualBox, VMware

Network security: Metasploit, Burp suite, nmap, tcpdump, dig

Device security: nftables, iptables, LUKS, ssh

App security: Sonarqube, OWASP

Observability: Nagios/Icinga, Grafana, Dynatrace, Open Telemetry

PERFORMANCE TUNING

Allow running Linux on work machine

Allow contributing to open source

Send to conference every now and then

KNOWN ISSUES

Impatient

Prefers dark office

Loves mechanical keyboards