Network Operations Administrator

Sentar•Charleston, SC

21d

About The Position

Sentar is proud to be an employee-owned company, fostering a culture of empowerment, collaboration, and innovation. Sentar is dedicated to developing the critical talent that the connected world demands to create solutions to address the convergence of cybersecurity, intelligence, analytics, and systems engineering. We invite you to join the team where you can build, innovate, and secure your career. Sentar is seeking a Network Operations Administrator in Charleston! Role Description: The Network Operations Administrator will be responsible for managing and maintaining both cloud and on-premises networking environments. This role includes overseeing virtual private networks (VPNs), cloud-based networks and virtual network appliances, and on-premises networks and its hardware. The NetOps Admin will ensure the performance, availability, and security of the CSSP network infrastructure and the connections to our subscribers. The role requires applying proven communication, analytical, and problem-solving skills to help identify, communicate, and resolve issues to maximize the benefit of systems investments. Manage and monitor cloud networking solutions, such as AWS and Azure. Configure and sustain on-premises networking infrastructure, including routers, switches, firewalls, and load balancers. Set up, oversee, and maintain virtual private networks (VPNs) for secure remote access. Monitor and maintain the CSSP VDSS. Ensure network performance is high and optimal. Troubleshoot and resolve network issues promptly. Implement and oversee network security measures, including firewalls, intrusion detection/prevention systems (IDS/IPS), and network access controls. Regularly tune network performance, plan capacity, and assess scalability. Execute network hardware and software upgrades and patches as necessary. Keep network documentation up to date, including diagrams, configuration guides, and troubleshooting procedures. Work with other IT teams to integrate and enhance network resources for various applications and services. Oversee network-related projects, from planning to implementation and documentation. Keep abreast of the latest network technologies, trends, and best practices.

Requirements

Clearance Level: Secret with eligibility for upgrade to Top Secret (TS)
Education: Bachelor's degree in Computer Science, Information Technology, or a related field, or possess equivalent work experience.
Certifications: Must possess DoD 8570 IAT Level II and DoD 8140 CSSP Auditor compliant certifications.
This position requires a US Citizen.
Position may require up to 25% travel as needed OCONUS travel may be required
Have a minimum of 3-5 years of experience in network engineering.
Work well in a team-oriented, collaborative environment.
Exhibit strong interpersonal, written, and oral communication skills.
Conduct research into network issues and vendor products as needed.
Prioritize and execute tasks effectively in a high-pressure environment
Be available for on-call after-hours rotational support as necessary.
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 (e.g., 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
Experience with Kibana dashboards and establishing alerts
Excellent troubleshooting and problem-solving skills
Strong documentation skills

Nice To Haves

Experience with software-defined networking (SDN) and network automation tools
Knowledge of F5 and NGINX technology for networking
Knowledge of scripting languages (e.g., Python, Ansible PowerShell) for network automation
Familiarity with ITIL processes and practices
Experience with network performance tuning and security monitoring tools
Experience using the Atlassian suite of tools (e.g., Jira, Confluence, Service Management)
Certifications such as Cisco Certified Network Professional (CCNP), AWS Certified Advanced Networking, or CompTIA Network+

Responsibilities

Manage and monitor cloud networking solutions, such as AWS and Azure.
Configure and sustain on-premises networking infrastructure, including routers, switches, firewalls, and load balancers.
Set up, oversee, and maintain virtual private networks (VPNs) for secure remote access.
Monitor and maintain the CSSP VDSS.
Ensure network performance is high and optimal.
Troubleshoot and resolve network issues promptly.
Implement and oversee network security measures, including firewalls, intrusion detection/prevention systems (IDS/IPS), and network access controls.
Regularly tune network performance, plan capacity, and assess scalability.
Execute network hardware and software upgrades and patches as necessary.
Keep network documentation up to date, including diagrams, configuration guides, and troubleshooting procedures.
Work with other IT teams to integrate and enhance network resources for various applications and services.
Oversee network-related projects, from planning to implementation and documentation.
Keep abreast of the latest network technologies, trends, and best practices.

Benefits

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
Mental health awareness programs
Tuition reimbursement
Professional development reimbursement
Recognition and Awards programs