Senior System Engineer

Overview

Hybrid
$85 - $95
Contract - W2
Contract - 12 Month(s)

Skills

Access Control
Authentication
Computer Engineering
Computer Science
Conflict Resolution
Capacity Management
Cloud Management
Collaboration
Communication
DNS
Disaster Recovery
Linux
Management
Management Information Systems
Dragon NaturallySpeaking
FOCUS
Multi-factor Authentication
Network
Firewall
Google Chrome
Problem Solving
Proxies
Python
System Documentation
Security Controls
RBAC
Regulatory Compliance
Routing
SSL
Kubernetes
Microsoft Azure
Microsoft Windows
OpenVPN
Performance Monitoring
Systems Engineering
SSO
Virtual Private Network
Web Browsers
Secure Shell
iptables
Scripting
Firefox
Bash
TLS
Windows PowerShell
Shell Scripting
Shell
Security-Enhanced Linux

Job Details

Our Client, a Global Financial Services Firm, is seeking a Senior Systems Engineer in their New York, NY location.

Responsibilities

  • Administer and manage complex enterprise technology solutions with a focus on Linux-based systems and secure desktop environments.

  • Act as primary support and central point of contact for enterprise browser solutions, including on-premise connector appliances.

  • Support the rollout, upgrades, and maintenance of enterprise browser technologies, ensuring security, availability, and compliance.

  • Implement and enforce enterprise browser policies (Chrome, Firefox, secure gateways, remote browser isolation).

  • Manage Linux network appliances, including OS upgrades and potential Kubernetes container support.

  • Configure and manage security controls, including SELinux, systemd, iptables/nftables, SSH, TLS, and firewall rules.

  • Develop, maintain, and optimize shell scripts (Bash preferred; PowerShell and Python acceptable).

  • Troubleshoot certificate issues, SSL/TLS handshake failures, proxy configurations, and browser access anomalies.

  • Integrate solutions with identity providers (Azure AD, Ping, Okta) to enforce MFA, SSO, RBAC, and posture-based access controls.

  • Support VPN solutions (e.g., WireGuard, OpenVPN) and identity-aware routing/tunneling.

  • Monitor systems, configure alerts, and analyze logs to ensure stability, security, and performance.

  • Maintain accurate system documentation, including configuration details, policies, and operational run books.

  • Collaborate with internal IT teams, vendors, and stakeholders to resolve issues, implement upgrades, and support ongoing platform improvements.

  • Participate in capacity planning, performance monitoring, disaster recovery, and zero-trust security initiatives.

  • Provide high-level desktop engineering support, including event log review, packet capture analysis, and troubleshooting of Windows endpoints.

Requirements

  • Bachelor s degree in Computer Science, MIS, or related field, plus 5+ years of relevant systems engineering/administration experience; equivalent experience may be considered.

  • Strong Linux engineering/administration background, including:

    • Shell scripting (Bash preferred; PowerShell and Python acceptable)

    • Package management and service configuration

    • SELinux and systemd for security and service control

  • Proven experience supporting secure desktop environments and enterprise browsers.

  • Knowledge of zero-trust models ( never trust, always verify ), including device posture checks, continuous authentication, and secure access service edge.

  • Hands-on experience with:

    • Proxy diagnosis, certificate management, SSL/TLS, and reverse proxy configurations

    • WireGuard/OpenVPN and DNS troubleshooting

    • Identity provider integrations (Azure AD, Ping, Okta) for MFA/SSO

    • Remote browser isolation (RBI), secure gateways, and browser policy enforcement (Chrome ADMX, Firefox policies, cloud management tools)

  • Familiarity with enterprise platforms such as Zscaler Private Access, Cloudflare Zero Trust, or Tailscale (preferred).

  • Knowledge of traditional desktop engineering tools and troubleshooting practices.

  • Excellent communication skills with the ability to engage technical and non-technical stakeholders effectively.

  • Strong problem-solving skills with the ability to analyze and resolve complex issues.

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