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
About DI-Africa
DI-Africa supports industrial, mining, oil & gas and services groups with their hiring across Africa: Employer of Record (EOR), recruitment & sourcing, payroll & compliance, immigration & work permits, international mobility, health insurance.
Our recruitment process
- Online application — acknowledgement within 48 hours.
- DI-Africa interview — conversation with a recruitment consultant.
- Client interview — short-list presented to the client.
- Offer & onboarding — we support you until your first day.