Senior IT Systems & Network Specialist
Darkex
/job-details/9567
**About Darkex**
Darkex aims to be leading cryptocurrency service platform headquartered in Dubai, with additional entities in Panama, Cayman, and Georgia. As a pioneer in the rapidly evolving digital asset industry, Darkex provides a comprehensiverange of services including trading, asset management etc. to clients worldwide.
With a commitment to compliance, security, and innovation, Darkex is dedicated to providing reliable and transparent services that meet the needs of both individual and institutional investors in the digital economy.
**Role Overview**
We are looking for a proactive, highly technical, and hands-on
**Senior**
**IT Systems & Network Specialist**
to own, secure, and optimize our entire IT infrastructure. In this role, you will be the primary technical owner of our internal operations: setting up and hardening servers, managing corporate networks, implementing strict remote access controls, maintaining our domain/Cloudflare portfolio, and optimizing our Microsoft 365 licensing costs.
This is a
**hands-on execution role**
tailored for an engineer who thrives in dynamic, high-security environments and takes full ownership from bare-metal setup to provider negotiation.
**Key Responsibilities**
- **Server Deployment & Hardening:**
Deploy, configure, and maintain bare-metal and virtual servers (Linux and Windows environments). Implement strict OS hardening, patch management, baseline security benchmarks, and automated backup routines.
- **Network, Wi-Fi & Access Control:**
Design, configure, and manage enterprise-grade office Wi-Fi and local networks. Implement network segmentation (VLANs), SSID access controls, and IP/MAC-based whitelisting policies.
- **Remote Access & VPN Architecture:**
Set up, maintain, and monitor secure Remote Desktop (RDS/RDP) environments and site-to-site / client-to-site VPN solutions with multi-factor authentication (MFA) and granular role-based access.
- **Edge & Domain Management (Cloudflare/DNS):**
Oversee domain registrations, NS delegations, and active DNS records. Configure and maintain Cloudflare services including WAF, Page Rules, SSL/TLS, and DDoS mitigation.
- **M365 & Cost Optimization:**
Administer Microsoft 365 tenants end-to-end (Exchange, Entra ID, SharePoint). Actively audit, manage, and optimize SaaS/M365 subscription costs, removing inactive licenses and enforcing cost efficiency.
- **Email Security & Deliverability:**
Manage corporate email infrastructure and implement modern email authentication protocols (SPF, DKIM, DMARC) to prevent spoofing and ensure high deliverability.
- **Firewall & Provider Relations:**
Manage edge firewalls, inspect traffic, and configure port forwarding and ingress/egress rules. Act as the primary technical point of contact for ISPs, hosting providers, and hardware vendors.
- **Security & Vulnerability Management:**
Conduct regular internal security health checks, identify vulnerabilities, handle incident triage, and maintain clear IT operational documentation.
**Job Requirements**
- **Experience:**
4+ years of hands-on experience in systems administration, network engineering, or infrastructure management. Experience working in high-security, fast-paced environments (Fintech, Crypto/Web3, or SaaS) is strongly preferred.
- **System Administration:**
Proven experience deploying and maintaining both Linux (Ubuntu/Debian) and Windows Server environments from scratch, including security hardening.
- **Networking & Firewalls:**
Deep working knowledge of enterprise firewalls, routing, switching, VLAN segmentation, Wi-Fi access management, and VPN protocols (OpenVPN, WireGuard, IPsec).
- **Domain & DNS Architecture:**
Practical expertise managing DNS registries, Nameservers, and advanced Cloudflare configurations (DNS, WAF, proxying, rulesets).
- **Microsoft 365 Expertise:**
Strong administrative experience across Entra ID (Azure AD), Exchange Online, and tenant-level license management with a focus on cost reduction.
- **Mail Protocol Standards:**
Solid understanding of mail routing and security standards (SPF, DKIM, DMARC, MX records).
- **Soft Skills & Ownership:**
High sense of ownership, capable of operating independently without day-to-day micromanagement, with clear communication skills in English.
**What You’ll Earn Working in Darkex**
At Darkex, you'll find more than just a job—you'll discover a pathway to personal and professional growth in a rapidly evolving environment. We offer competitive compensation packages alongside unparalleled opportunities for advancement, ensuring you can develop your skills and expertise while making a real impact in the world of cryptocurrency and finance.
Our commitment to continuous learning means you'll have access to resources and mentorship to stay ahead of the curve. As part of our team, you'll collaborate with industry leaders on groundbreaking projects that are shaping the future of finance. And with a supportive and flexible work environment, we prioritize your well-being and work-life balance. Join Darkex today and embark on a journey where your potential knows no bounds.
Darkex aims to be leading cryptocurrency service platform headquartered in Dubai, with additional entities in Panama, Cayman, and Georgia. As a pioneer in the rapidly evolving digital asset industry, Darkex provides a comprehensiverange of services including trading, asset management etc. to clients worldwide.
With a commitment to compliance, security, and innovation, Darkex is dedicated to providing reliable and transparent services that meet the needs of both individual and institutional investors in the digital economy.
**Role Overview**
We are looking for a proactive, highly technical, and hands-on
**Senior**
**IT Systems & Network Specialist**
to own, secure, and optimize our entire IT infrastructure. In this role, you will be the primary technical owner of our internal operations: setting up and hardening servers, managing corporate networks, implementing strict remote access controls, maintaining our domain/Cloudflare portfolio, and optimizing our Microsoft 365 licensing costs.
This is a
**hands-on execution role**
tailored for an engineer who thrives in dynamic, high-security environments and takes full ownership from bare-metal setup to provider negotiation.
**Key Responsibilities**
- **Server Deployment & Hardening:**
Deploy, configure, and maintain bare-metal and virtual servers (Linux and Windows environments). Implement strict OS hardening, patch management, baseline security benchmarks, and automated backup routines.
- **Network, Wi-Fi & Access Control:**
Design, configure, and manage enterprise-grade office Wi-Fi and local networks. Implement network segmentation (VLANs), SSID access controls, and IP/MAC-based whitelisting policies.
- **Remote Access & VPN Architecture:**
Set up, maintain, and monitor secure Remote Desktop (RDS/RDP) environments and site-to-site / client-to-site VPN solutions with multi-factor authentication (MFA) and granular role-based access.
- **Edge & Domain Management (Cloudflare/DNS):**
Oversee domain registrations, NS delegations, and active DNS records. Configure and maintain Cloudflare services including WAF, Page Rules, SSL/TLS, and DDoS mitigation.
- **M365 & Cost Optimization:**
Administer Microsoft 365 tenants end-to-end (Exchange, Entra ID, SharePoint). Actively audit, manage, and optimize SaaS/M365 subscription costs, removing inactive licenses and enforcing cost efficiency.
- **Email Security & Deliverability:**
Manage corporate email infrastructure and implement modern email authentication protocols (SPF, DKIM, DMARC) to prevent spoofing and ensure high deliverability.
- **Firewall & Provider Relations:**
Manage edge firewalls, inspect traffic, and configure port forwarding and ingress/egress rules. Act as the primary technical point of contact for ISPs, hosting providers, and hardware vendors.
- **Security & Vulnerability Management:**
Conduct regular internal security health checks, identify vulnerabilities, handle incident triage, and maintain clear IT operational documentation.
**Job Requirements**
- **Experience:**
4+ years of hands-on experience in systems administration, network engineering, or infrastructure management. Experience working in high-security, fast-paced environments (Fintech, Crypto/Web3, or SaaS) is strongly preferred.
- **System Administration:**
Proven experience deploying and maintaining both Linux (Ubuntu/Debian) and Windows Server environments from scratch, including security hardening.
- **Networking & Firewalls:**
Deep working knowledge of enterprise firewalls, routing, switching, VLAN segmentation, Wi-Fi access management, and VPN protocols (OpenVPN, WireGuard, IPsec).
- **Domain & DNS Architecture:**
Practical expertise managing DNS registries, Nameservers, and advanced Cloudflare configurations (DNS, WAF, proxying, rulesets).
- **Microsoft 365 Expertise:**
Strong administrative experience across Entra ID (Azure AD), Exchange Online, and tenant-level license management with a focus on cost reduction.
- **Mail Protocol Standards:**
Solid understanding of mail routing and security standards (SPF, DKIM, DMARC, MX records).
- **Soft Skills & Ownership:**
High sense of ownership, capable of operating independently without day-to-day micromanagement, with clear communication skills in English.
**What You’ll Earn Working in Darkex**
At Darkex, you'll find more than just a job—you'll discover a pathway to personal and professional growth in a rapidly evolving environment. We offer competitive compensation packages alongside unparalleled opportunities for advancement, ensuring you can develop your skills and expertise while making a real impact in the world of cryptocurrency and finance.
Our commitment to continuous learning means you'll have access to resources and mentorship to stay ahead of the curve. As part of our team, you'll collaborate with industry leaders on groundbreaking projects that are shaping the future of finance. And with a supportive and flexible work environment, we prioritize your well-being and work-life balance. Join Darkex today and embark on a journey where your potential knows no bounds.
