freiberufler Senior DevOps/SRE and Solution Architect auf freelance.de

Senior DevOps/SRE and Solution Architect

zuletzt online vor wenigen Tagen
  • auf Anfrage
  • 13593 Berlin
  • Europa
  • en
  • 22.02.2023

Kurzvorstellung

Senior DevOps Engineer, Technical Lead and Solution Architect roles mainly in the last 10 years, originally from Scotland, my partner is German so I now live in Berlin. Looking for interesting freelance jobs.

Qualifikationen

  • Amazon Web Services (AWS)
  • Application Development
  • Cloud Computing
  • Continuous Delivery (CDE)
  • Cyber Security
  • DevOps (allg.)
  • IaaS (Infrastructure as a Service)
  • Linux Entwicklung
  • Solution Architektur
  • Technische Projektleitung / Teamleitung

Projekt‐ & Berufserfahrung

Senior SRE
Verimi GmbH, Berlin
3/2020 – 12/2020 (10 Monate)
Telekommunikation
Tätigkeitszeitraum

3/2020 – 12/2020

Tätigkeitsbeschreibung

Complete rewrite of all automation code (ansible, salt, terraform, helm) from scratch
Complete infrastructure redesign (additional networks, security stuff etc) + migration
Complete modernisation of kubernetes environments (from centos7+kubespray -> ubuntu 20.04+rke)
Assistance with architecture and infra redesign + migration of the ‘secure’ internal zone
Redesign / Reimplementation of istio service mesh
Upgrade to helm 3
Various internal tooling dev mostly in python
Redesign of deployment system (from 1 massive deployment pipeline that deploys everything towards one per service)
Redesign / Implementation of the VPN setup (from OpenVPN -> WireGuard)
Usual firefighting / debugging / performance help for the platform
Various demos, training and Onboarding sessions

Eingesetzte Qualifikationen

DevOps (allg.), Softwareentwicklung (allg.)

CTO / Co-Founder (Festanstellung)
Cyberpunk Networks, Berlin
3/2017 – 9/2017 (7 Monate)
IT & Entwicklung
Tätigkeitszeitraum

3/2017 – 9/2017

Tätigkeitsbeschreibung

• Bespoke software consultancy focusing on time-series data collection and data visualization targeted at manufacturing and IOT applications
• Tech stack is almost entirely Erlang/OTP
• Still working on the tooling/getting the office setup
• Self funded/bootstrapped
• Ultimately folded as we ran out of runway

Eingesetzte Qualifikationen

Datenbankentwicklung, SAAS

Senior Consultant / PreSales Solution Architect (Festanstellung)
Aservo Software GmbH, Berlin
9/2016 – 2/2020 (3 Jahre, 6 Monate)
IT & Entwicklung
Tätigkeitszeitraum

9/2016 – 2/2020

Tätigkeitsbeschreibung

Multi-Client work around Aservo‘s CI consultancy business
• Design / Implementation of POC setups as part of pre-engagement sales
• Huge mix of technologies and stacks (however redhat/jenkins/ansible/atlassian featured
in most)
• Capacity planning for the post-poc implementation, hiring
• Planned, wrote and held multiple multi-day workshops with Aservo staff for training (on
Ansible, security, low level(ish) linux, CI)
• Point of technical escalation across Aservo‘s various teams, often called in to help
triage complicated issues when the teams there run out of ideas
• Lead developer/architect for a planned security appliance (elixir/lua/c)
• Security assessment

Eingesetzte Qualifikationen

Continuous Delivery (CDE), DevOps (allg.), Cyber Security, Red Hat Enterprise Linux (RHEL), Confluence (Atlassian), Python, Cloud Computing, IaaS (Infrastructure as a Service), Schulung / Training (IT), Solution Architektur, Presales

Lead Platform Engineer
SmartFocus, London
3/2016 – 12/2016 (10 Monate)
IT & Entwicklung
Tätigkeitszeitraum

3/2016 – 12/2016

Tätigkeitsbeschreibung

Came onboard to help SF through some significant platform issues they were facing and built the capacity into the team to stabilize the high traffic (~400kr/s) platform
• Largely java/oracle (legacy) flume/hadoop (intelligence) and php|rails/mongo (clientdev) however some nodejs components and various OTS ETL platforms were kicking around.
• Redesigned and implemented the DFS using Gluster+ZFS
• Deconstructed and simplified a very large legacy deployment system (19 instances, 300+boxes / instance)
• Training / Mentoring technical staff on new tooling
• Some clientdev and integration work while I found suitable staff to do this full-time
• Jack-of-all trades style job due to the complexity of the environment and fragility

Eingesetzte Qualifikationen

Apache Hadoop, ETL, Oracle (allg.), DevOps (allg.), J2SE (Java SE), Puppet, Storage, PHP, Ruby on rails, E-Mail Marketing

Infrastructure and Automation (Devops) Lead
VouchedFor, London
9/2015 – 1/2016 (5 Monate)
Finanzdienstleister
Tätigkeitszeitraum

9/2015 – 1/2016

Tätigkeitsbeschreibung

Joined the team at VouchedFor for 3 months to re-implement the entire infrastructure packaging and deployment system and to help gradually move them towards a devops culture
• Designed and Implemented full end->end infrastructure management and deployment
platform
• Tech: Terraform, AWS, RDS, Docker, Ansible, Jenkins, NGINX, CloudFlare
• Held weekly 'all hands' demos and sessions with the devs to upskill them in the various 'new' tools we'd implemented
• Lots of sessions to show development how adopting some new principles and tools enables them to respond quicker to business requirements, while keeping the burden of switching to these at a minimum, to enable BAU to continue with as little interruption as normal
• Teasing apart some very debt heavy environments, explaining why these are so dangerous to the implementors/business and guiding the way to best-practice
• Support and advice on performance tuning, deployment strategies and so on
• Removed a very clunky and slow vagrant setup, replaced with docker-compose

Eingesetzte Qualifikationen

DevOps (allg.), NginX, Docker, Amazon Web Services (AWS), PHP

Application Delivery Architect and Technical Team Lead
GDS - Government Digital Service (gov.uk), London
9/2014 – 5/2015 (9 Monate)
IT & Entwicklung
Tätigkeitszeitraum

9/2014 – 5/2015

Tätigkeitsbeschreibung

Built a team to transition a very large govt project (150m gbp+ budget >100 devs) to an agile/devops culture
• Pipeline, Delivery and Automation architecture design and implementation
• TeamCity, Ansible, Puppet, Yum, Packaging, SCM etc etc etc
• Pushed for standardisation across all vendor and internal dev teams re: deployment+monitoring
• Tooling creation in Perl, Ruby, Python and a whole load of bash+make
• Mentoring+refactoring of the existing puppet codebase and begun the process of building proper orchestration around the legacy platform
• Playing inter-vendor politics, mostly won, helping to find good compromises otherwise
• Introduced weekly sessions with the business to demonstrate what we were doing and (more importantly) why
• Involved in the design and buildout of the ‘future’ platform using sane processes, while factoring in legacy constraints (e.g oracle, legacy integration)

Eingesetzte Qualifikationen

Oracle (allg.), Continuous Delivery (CDE), DevOps (allg.), Projektleitung / Teamleitung (IT), Bash (Shell), Jenkins, Python, Ansible

Über mich

Contact me to discuss

Weitere Kenntnisse

Contact me to discuss

Persönliche Daten

Sprache
  • Englisch (Muttersprache)
Reisebereitschaft
Europa
Arbeitserlaubnis
  • Europäische Union
Profilaufrufe
2161
Alter
37
Berufserfahrung
14 Jahre und 1 Monat (seit 02/2010)
Projektleitung
5 Jahre

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