Sentar is seeking a NetOps Administrator in Stuttgart, Germany!

Role Description

The Network Operations Administrator is responsible for managing and maintaining both cloud and on‑premises networking environments. This includes overseeing virtual private networks (VPNs), cloud-based networks and virtual network appliances, as well as on‑premises network infrastructure and hardware. The role ensures the performance, availability, and security of network infrastructure and subscriber connections. The administrator applies strong communication, analytical, and problem‑solving skills to identify, communicate, and resolve network issues, maximizing the benefit of IT systems investments.

Key Responsibilities

Manage and monitor cloud networking solutions such as AWS VPC and Azure VNet.
Configure, sustain, and troubleshoot on‑premises networking hardware, including routers, switches, firewalls, and load balancers.
Set up, oversee, and maintain VPNs for secure remote access.
Monitor network performance and optimize for high availability and reliability.
Implement and oversee network security measures, including firewalls, IDS/IPS, and network access controls.
Perform network performance tuning, capacity planning, and scalability assessments.
Execute network hardware and software upgrades and patches.
Maintain up‑to‑date network documentation, including diagrams, configuration guides, and troubleshooting procedures.
Collaborate with IT teams to integrate and enhance network resources for applications and services.
Oversee network‑related projects from planning through implementation and documentation.
Research emerging network technologies, trends, and best practices.
Work independently and collaboratively in a team‑oriented environment.
Be available for on‑call after‑hours rotational support as necessary.

Qualifications

Clearance Level: Secret

Education: Hold a Bachelor’s degree in Computer Science, Information Technology, or a related field, or possess equivalent work experience.

Certifications: IAT II

Experience

Maintain a minimum of 3-5 years of experience in network engineering.
Proficiency in cloud networking solutions (e.g., AWS VPC, Azure VNet)
Experience with on‑premises networking hardware (e.g., Cisco, Palo Alto)
Knowledge of networking protocols and services (TCP/IP, DNS, DHCP, VPN)
Experience with network monitoring tools (e.g., SolarWinds, Nagios)
Strong understanding of network security principles and practices
Experience with Elasticsearch Enterprise and Kibana dashboards
Excellent troubleshooting, problem‑solving, and documentation skills
Strong verbal and written communication skills

Preferred

Certifications such as CCNP, AWS Certified Advanced Networking, or CompTIA Network+
Experience with Software‑Defined Networking (SDN) and network automation tools
Knowledge of F5 and NGINX technologies
Familiarity with scripting languages for automation (e.g., Python, Ansible, PowerShell)
Experience with ITIL processes and practices
Experience using the Atlassian suite (Jira, Confluence, Service Management)

Benefits at Sentar

Our unique ownership model attracts top talent, giving employees the freedom to take initiative and drive meaningful improvements. In addition to cultivating a thriving and inclusive work environment, Sentar offers an extensive benefits package designed to support the well‑being of employees and their families. Employee ownership is the foundation of our culture, promoting participation, teamwork, and accountability while ensuring long‑term financial security and a commitment to excellence.

Voluntary Medical, Dental, Vision, with Health Savings or Flexible Spending Plan options
Voluntary Life, Critical Illness, Accident, and Long Term Care insurance options
Group Term Life, Short‑Term and Long‑Term Disability is provided by Sentar to all qualifying employees
Generous 401(k) match
Competitive PTO plan that graduates quickly with years of service
Other leave programs; holiday schedule along with bereavement, maternity, jury and military duty

Sentar is an affirmative action and equal opportunity employer M/F/Vets/Persons with Disabilities

We are committed to providing reasonable workplace accommodations for individuals with disabilities. If you are an individual with a disability and require a reasonable accommodation, please contact the Recruiting Manager at Please indicate the specifics of the assistance needed. Thank you for considering Sentar in your employment search.

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