SRE – Private Network, Disaster Recovery & Updates - Madagascar
JOB DESCRIPTION SRE – Private Network, Disaster Recovery & Updates Information Technology |
Ref.: DIA-2026-IT-11 |
■ Location | ■ Seniority | ■ Estimated duration | ■ Contract |
Madagascar – Remote | Expert – 10+ years | 6 months to 1 year | To be confirmed |
ABOUT THE PROJECT
Our client, an international multi-entity group, is building a security-critical, privacy-first information system on its own on-premise infrastructure: hardened mobile and desktop applications, hardware-key authentication, legally isolated data for each group entity, and self-hosted finance and AI capabilities.
The programme is delivered by a senior, multi-disciplinary team working in two-week agile sprints, with compartmentalised access and a strong culture of security by design.
WORK ARRANGEMENT
This is a remote position: you will work from home, from Madagascar. No attendance at DI-Africa's offices is required.
THE ROLE
Operate the platform's private overlay network, cross-site replication and disaster recovery, signed update system and in-network monitoring across two data centers.
KEY RESPONSIBILITIES
● Operate the private i2pd network and localhost-only nginx services.
● Run encrypted PostgreSQL logical replication between the two sites and repair it when needed.
● Operate the signed update system (HSM-signed manifests) for mobile and desktop clients.
● Run mail (Stalwart), SimpleX messaging and the Bitcoin node host.
● Implement in-network monitoring and dual data center failover, fail-closed by design.
TECHNICAL ENVIRONMENT
● Bash, Python, SQL; Go a plus.
● i2pd, nginx, Stalwart, SimpleX.
● PostgreSQL logical replication, bitcoind.
● Air-gapped CI, HSM-signed updates.
PROFILE
Location | ● Based in Madagascar, working remotely from home. |
Experience | ● Expert – 10+ years of relevant professional experience. |
Required skills | ● On-premise Linux in production. ● Overlay networks. ● PostgreSQL replication repair. ● Air-gapped CI and signed updates. ● Fail-closed design. |
Nice to have | ● GrapheneOS hand-off. ● Starlink failover. ● SimpleX voice tuning. |
Languages | ● Professional English required; French is a plus. |
Ways of working | ● Work independently on software development tasks. ● Write clean, straightforward, efficient code that meets acceptance criteria and specifications. ● Cover code with unit, property and integration tests where applicable. ● Write code documentation. ● Willingness to handle hardware: YubiKeys, HSMs, air-gapped machines, phone flashing. ● Comfortable working with compartmentalised access. ● Proactive, requiring minimal supervision or mentoring. ● Proactive in identifying potential problems and implementing solutions. ● Efficient time management and respect of deadlines. ● Practical experience with agile software development methods. |
HR Consulting · www.di-africa.com
Confidential – For recruitment purposes only
À propos de DI-Africa
DI-Africa accompagne les groupes industriels, miniers, pétroliers et de services dans leurs recrutements en Afrique : portage salarial (EOR), recrutement & sourcing, paie & conformité, immigration & permis de travail, mobilité internationale, assurance santé.
Notre process de recrutement
- Candidature en ligne — accusé de réception sous 48 h.
- Entretien DI-Africa — échange avec un consultant recrutement.
- Entretien client — présentation de la short-list au client.
- Offre & intégration — nous vous accompagnons jusqu'à la prise de poste.
Ce poste vous correspond ?
Votre candidature est traitée par l'équipe Recrutement DI-Africa.
Postuler maintenant Toutes les offres