Sr Systems Administrator Jobs

Description:

Job Title: Sr Specialist, Cyber Intelligence (Systems Administrator)

Job Code: SAS20231706-102716

Job Location: Ottawa, Canada (hybrid available)

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Grow and enhance your skills as a Systems Administrator in a dynamic industry that is constantly developing and delivering innovative, next-generation capabilities! L3Harris Trenchant is an elite global team of Engineers and Security Researchers charged with building world-class computer security products.

Trenchant’s expertise is the by-product of the L3Harris acquisition of two highly regarded information security businesses – Azimuth Security and Linchpin Labs. United under Trenchant, we are a key component of L3Harris’ Intelligence and Cyber International Division.

We are a trusted, discrete partner furnishing security products, consultancy, training and integration services to allied security, defence, and law enforcement agencies.

L3Harris Trenchant has a new position for a System Administrator to join our team in Ottawa. We are an international business unit with a startup culture looking for an experienced computer network operations practitioner with superior communication skills and demonstrated technical subject-matter expertise.

Essential Functions:

• Manage business unit LANs, WANs, and wireless equipment, upgrading and tuning servers, routers, firewalls, load balancers, switches, and cloud infrastructure as needed.
• Deploy, configure and manage existing and new containerized applications.
• Provide InfoSec consultation and emergency response services to a global team of 140 security engineers and researchers.
• Eligible for a security clearance with the Canadian Federal Government.
• Serve as a key element of the Global Operations team, fusing priorities from research, engineering, operations and leadership to modernize network infrastructure and realize efficiencies across the business unit.
• Coordinate and execute rollout of new communications services, products, and software development infrastructure
• Serve as a point of escalation for incident management and resolution.
• Triage and diagnose network performance issues, ensuring stable infrastructure for security engineering and research teams.
• Analyze network deployments, identify vulnerabilities, create plans to improve security and orchestrate necessary interventions.
• Experience managing multiple projects with competing priorities.
• Participate in non-invasive red-team activities on Internet-connected and overlay networks, preparing and thoughtfully communicating results to research, engineering and business unit leadership.

Qualifications:

• Experience with network or system administrator operations.
• Experience with Juniper JunOS and/or Cisco IOS.
• Bachelor’s Degree in Computer Science, Information Technology or Cybersecurity coursework and minimum 6 years of prior relevant experience. Graduate Degree and a minimum of 4 years of prior related experience. In lieu of a degree, minimum of 10 years of prior related experience.

Preferred Additional Skills:

• Experience with public-key infrastructure.
• Experience with microservices paradigm and hands-on experience with container deployment and orchestration technologies.
• Experience with scripting languages such as Python, Bash, or related languages.
• Service in the Canadian Intelligence Community or Canadian Military
• Experiencing administering and securing modern server, desktop and mobile operating systems.
• Experience securing networks and associated devices (firewalls, IDS/IPS, IPSec, VPNs).
• Experience configuring, hardening and operating Linux and Window servers.
• Experience supporting software development teams and the basic software development lifecycle would be an advantage.
• Experience deploying and managing infrastructure including virtualization technology, such as VMWare.
• Experience aggregating and analyzing activity logs.
• Existing security clearance with the Canadian Federal Government