Level 3 Communications, Inc

Lead, Systems Administrator

Level 3 Communications, Inc$110K — $205K *
Aerospace & Defense
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • Active Secret Security Clearance required
  • Bachelor's Degree with 9 years of experience or Graduate Degree with 7 years; alternative is 13 years without a degree.

Responsibilities

  • Administer and maintain Microsoft Windows systems for optimal performance.
  • Utilize security tools to monitor and respond to threats.
  • Apply SCAP and STIG methodologies for compliance with DoD standards.
  • Ensure systems meet government regulations like NIST.
  • Maintain DOD 8140 certification demonstrating cybersecurity proficiency.
  • Collaborate with teams for upgrades and incident response.
  • Travel up to 15% for site support and training.

Benefits

  • Health and disability insurance
  • 401(k) match
  • Flexible spending accounts
  • EAP and education assistance
  • Parental leave and paid time off
  • Company-paid holidays
Full Job Description
Job Title: Lead, Systems Administrator

Job Code: 42161

Job Location: Canoga Park, CA

Job Schedule: 9/80: Employees work 9 out of every 14 days - totaling 80 hours worked - and have every other Friday off

Job Description:

The Windows Systems Administrator will be responsible for managing and maintaining Microsoft Windows environments, ensuring compliance with government regulations, and supporting security operations. This role requires strong technical skills, attention to regulatory standards, and the ability to travel up to 15% as needed.

Essential Functions:

  • Administer and maintain Microsoft Windows systems, ensuring optimal performance and reliability.
  • Utilize security tools such as Tenable and Splunk to monitor, detect, and respond to security threats.
  • Apply SCAP and STIG methodologies to maintain compliant systems in accordance with Department of Defense (DoD) standards.
  • Ensure systems comply with government regulations and standards, including NIST Special Publications, NISPOM, and the Risk Management Framework.
  • Maintain DOD 8140 certification (e.g., Security+), demonstrating proficiency in cybersecurity fundamentals.
  • Collaborate with cross-functional teams to support system upgrades, patch management, and incident response.
  • Travel up to 15% to support remote sites, attend training, or participate in project deployments.


Qualifications:

  • Active Secret Security Clearance required
  • Bachelor's Degree and minimum 9 years of prior relevant experience. Graduate Degree and a minimum of 7 years of prior related experience. In lieu of a degree, minimum of 13 years of prior related experience.


Preferred Additional Skills:

  • Experience with VMware virtualization technologies for server and desktop environments.
  • Familiarity with Citrix Virtual Desktops for remote access and application delivery.
  • Proficiency in Linux administration and troubleshooting.
  • Knowledge of disaster recovery and business continuity planning and execution.


In compliance with pay transparency requirements, the salary range for this role in the State of California is $110,500 - $205,000. This is not a guarantee of compensation or salary, as final offer amount may vary based on factors including but not limited to experience and geographic location. L3Harris also offers a variety of benefits, including health and disability insurance, 401(k) match, flexible spending accounts, EAP, education assistance, parental leave, paid time off, and company-paid holidays. The specific programs and options available to an employee may vary depending on date of hire, schedule type, and the applicability of collective bargaining agreements.

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