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System Administrator

Germany Job ID SAS20221805-82542
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L3Harris is dedicated to recruiting and developing diverse, high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.

L3Harris Technologies is an agile global aerospace and defense technology innovator, delivering end-to-end solutions that meet customers’ mission-critical needs. The company provides advanced defense and commercial technologies across space, air, land, sea and cyber domains. L3Harris has approximately $18 billion in annual revenue and 47,000 employees, with customers in more than 100 countries.


Job Title: System Administrator

Job Code: SAS20221805-82542

Job Location:Landstuhl, Germany

Job Description:

Essential Functions:

  • Performs performance analysis on Operating Systems including Windows 2012/16 Server and Windows 7/10.
  • Provides administration support to site SIPR and NIPR network communication systems.
  • Recommends and implements engineering design changes required to adapt technical requirements.
  • Performs daily review of audit, security, and application logs and identifies problem areas or trends and takes the proper action and generates required reports.
  • Performs hardware maintenance, documents deficiencies affecting performance or effectiveness: Dell Servers, RAID disk configurations, PCs, and CISCO networking hardware, WANs and LANs.
  • Experience with Account management, PKI cert management, LDAP configuration/management.
  • Establish and maintain up-to-date cybersecurity configurations based on DISA STIGs and IAVM Notices.
  • Experience in the use of IT tools for managing and troubleshooting complex computer networks.
  • Conduct weekly cybersecurity system audits.
  • Support critical operations during standard and non-standard working hours.
  • Proficient in the use of Microsoft Office products such as Word, Excel, Outlook and PowerPoint.


  • Education:Active TC/SCI Security Clearance is required.
    • Bachelor’s Degree and/or minimum of 2 years of prior related experience, or
    • 2 years post-Secondary/ Associates Degree and a minimum of 6 years of prior related experience, or
    • Graduate Degree and a minimum of 0-2 years of prior related experience.
  • DOD 8570.01M IAT 2 certification is required

Preferred Additional Skills:

  • Minimum of 6 years of MILSATCOM experience with emphasis on computer-based satellite network control systems and IT.
  • Experience in the management of WSOTS II computer networks with skills particular to the administration of a Windows and AD domain environment.
  • Performing performance analysis on: (1) Application Software: Common Network Planning System (CNPS), Solar Winds, and (2) Network Protocols: TCP/IP, FTP, and SNMP.
  • Maintains firewall rule sets and related parameters, Intrusion Detection Software (IDS), reviews audit logs, and takes required corrective action when an intrusion is detected. Following reconfiguration, analyzes satellite and network performance to confirm the effectiveness of the reconfiguration and identify anomalies. Analyzes DSCS and WGS network configurations and link performance.
  • Security administration experience in support of RMF requirements.
  • Working knowledge of RMF and cybersecurity requirements.
  • Previous experience supporting DoD/government customers.
  • Experience with continuous integration, build management, and/or automated test frameworks.
  • Hardware/software requirement verification/system validation experience.
  • Demonstrated ability to work and grow in a dynamic, fast paced, team-oriented environment
  • DoD 8570.01-M IAT Level 3 certification.
  • Active TS//SCI Security Clearance with CI polygraph is desired.
  • Demonstrated self-starter - efficient in achieving goals and proactive in pursuing subsequent task
  • Scripting experience (Bash/Shell, Python, Perl).
  • Ability to travel up to 10%

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