Senior Network Administrator

Job Description

Job Description

Overview

Senior Network Administrator

Arlington, VA

Are you ready to enhance your skills and build your career in a rapidly evolving business climate? Are you looking for a career where professional development is embedded in your employer’s core culture? If so, Chenega Military, Intelligence & Operations Support (MIOS) could be the place for you! Join our team of professionals who support large-scale government operations by leveraging cutting-edge technology and take your career to the next level!  

The Senior Network Administrator is responsible for the design, implementation, maintenance, and support of the organization's enterprise network infrastructure. This role ensures the stability, integrity, and efficient operation of the network systems that support core organizational functions. The Senior Network Administrator leads efforts in planning network architecture, troubleshooting complex network issues, implementing security protocols, and optimizing performance across local area networks (LANs) and wide area networks (WANs).

Responsibilities

• Network Architecture & Deployment: Design and implement scalable, secure enterprise network solutions.
• Routing & Protocols: Manage advanced routing protocols (EIGRP, BGP, OSPF) and ensure optimal network traffic flow.
• Cloud & Hybrid Networks: Build and maintain cloud-integrated networks (AWS, Azure, GCP); support hybrid deployments.
• SD-WAN: Deploy and administer SD-WAN solutions to improve flexibility and connectivity across distributed environments.
• Security Integration: Apply DISA STIGs and DoD security guidelines to protect network infrastructure.
• Monitoring & Optimization: Use tools like SolarWinds and SD-WAN controllers to track performance and resolve bottlenecks.
• Documentation: Create and maintain detailed network diagrams, configurations, and technical documentation.
• Support & Troubleshooting: Provide Tier 3-level technical support for complex networking issues.
• Mentorship: Guide junior engineers and support team capability development.
• Vendor Coordination: Evaluate new technologies and manage vendor relationships for hardware/software acquisitions.
• Travel: Occasional CONUS/OCONUS travel may be required for project support.
• Other duties as assigned.

Qualifications

• Bachelor’s in computer science, IT, or related field OR
• Associates with 5+ years of experience + CCNA.
• 5+ years of enterprise network engineering experience.
• DoD IAT Level II (e.g., Security+ CE).
• Must have a Top-Secret Clearance.

Knowledge, Skills, and Abilities:

• Deep understanding of TCP/IP, BGP, OSPF, EIGRP, MPLS, VLANs, and VPN technologies.
• Knowledge of firewall policies, intrusion detection/prevention systems (IDS/IPS), access control, and endpoint protection.
• Expertise with Cisco, Palo Alto, Arista, and other enterprise-grade networking equipment.
• Experience with tools like SolarWinds, Wireshark, or similar platforms.
• Advanced analytical skills to quickly identify and resolve complex network issues.
• Experience leading network upgrade or migration projects, including planning, documentation, and execution.
• Strong technical writing skills to create and maintain accurate network diagrams, procedures, and incident reports.
• Able to remain calm and effective during critical outages or security incidents.
• Ability to evaluate current infrastructure and recommend improvements aligned with organizational goals.

How you’ll grow

At Chenega MIOS, our professional development plan focuses on helping our team members at every level of their careers to identify and use their strengths to do their best work every day. From entry-level employees to senior leaders, we believe there’s always room to learn.  

We offer opportunities to help sharpen skills in addition to hands-on experience in the global, fast-changing business world. From on-the-job learning experiences to formal development programs, our professionals have a variety of opportunities to continue to grow throughout their careers.  

Benefits

At Chenega MIOS, we know that great people make a great organization. We value our team members and offer them a broad range of benefits.  

Learn more about what working at Chenega MIOS can mean for you.  

Chenega MIOS’s culture

Our positive and supportive culture encourages our team members to do their best work every day. We celebrate individuals by recognizing their uniqueness and offering them the flexibility to make daily choices that can help them be healthy, centered, confident, and aware. We offer well-being programs and continuously look for new ways to maintain a culture where we excel and lead healthy, happy lives.  

Corporate citizenship

Chenega MIOS is led by a purpose to make an impact that matters. This purpose defines who we are and extends to relationships with our clients, our team members, and our communities. We believe that business has the power to inspire and transform. We focus on education, giving, skill-based volunteerism, and leadership to help drive positive social impact in our communities.  

Learn more about Chenega’s impact on the world.  

Chenega MIOS News- 

Tips from your Talent Acquisition Team

We want job seekers exploring opportunities at Chenega MIOS to feel prepared and confident. To help you with your research, we suggest you review the following links:  

Chenega MIOS web site - 

Glassdoor - -at-Chenega-MIOS- EI_IE369514.11,23.htm

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