Senior Network Engineer

Job Description

Job Description

Us:

At Aretec, Inc., we are catalysts for change within the federal government landscape. Specializing in advanced analytics, machine learning, data analysis, cybersecurity, and business optimization, we empower federal agencies to achieve their most critical missions. As a premier partner and prime vendor, we deliver innovative, high-impact solutions that address complex challenges and drive national progress. Our commitment to excellence and innovation positions us at the forefront of transforming governmental operations, enhancing efficiency, and making a lasting difference in the lives of citizens.

You:

You are a seasoned network engineering professional who thrives in highly complex, mission-critical environments. You bring deep technical expertise in enterprise networking, enjoy solving challenging infrastructure problems, and are motivated by supporting national security missions. You are comfortable working independently and collaboratively, applying disciplined troubleshooting methodologies, and contributing to continuous improvements across large-scale federal network environments.

What We're Looking For:

We are seeking a Senior Network Engineer to support a Federal Government client in Huntsville, AL . In this role, you will provide advanced technical engineering support for a highly complex, multi-enclave enterprise network environment spanning multiple classification levels. You will be responsible for designing, engineering, and supporting secure, high-performance network solutions across the full IT lifecycle.

Your responsibilities will include:

• Network Engineering & Design: Design and engineer new network solutions for a multi-enclave enterprise environment, supporting diverse networking technologies and security requirements.
• Requirements & Documentation: Gather user network requirements using multiple methodologies and produce technical documentation, including system requirements documents, system security requirements documents, and system test plans.
• Network Operations & Support: Install, maintain, and evaluate network and communications systems, providing Tier 3 engineering support to resolve complex issues not resolved by lower support tiers.
• Troubleshooting & Resolution: Diagnose and resolve complex LAN and WAN issues involving routing protocols, network topologies, and hardware platforms.
• Architecture & Planning: Conduct network architecture design, feasibility analyses, and cost studies to support informed technical and business decisions.
• Process Improvement: Apply technical and operational experience to improve processes and procedures for deploying, maintaining, and sustaining network infrastructure.
• Collaboration: Work independently and collaboratively with cross-functional teams to enhance network designs and improve overall network services.

By stepping into this role, you will directly support critical federal missions by ensuring secure, resilient, and high-performing network infrastructure in a sensitive national security environment.

The Skills We're Looking For:

• Core Technical Expertise:
• Extensive experience designing, developing, and implementing enterprise network solutions
• In-depth knowledge of Cisco routing platforms , including Aggregation Services Routers (ASRs)
• Strong expertise in routing protocols and technologies such as BGP, EIGRP, DMVPN, and GRE
• Advanced knowledge of Layer 2 technologies including STP, MST, and VLANs
• Experience with LAN/WAN troubleshooting , traffic engineering, and performance optimization
• Experience providing Tier 3 and senior-level engineering support
• Hands-on experience with TACLANE systems
• Engineering & Analysis:
• Network architecture design, feasibility analysis, and cost estimation
• Ability to apply disciplined troubleshooting methodologies to ensure mission success
• Communication & Collaboration:
• Strong ability to document technical requirements and communicate with stakeholders across teams
• Experience collaborating within large, multi-team federal environments

Requirements:

• Active Top Secret clearance with the ability to obtain SCI
• CI polygraph administered by the customer once onsite
• Bachelor's degree in a relevant field
• Minimum of six (6) years of experience designing, developing, and implementing network solutions
• Demonstrated experience troubleshooting complex LAN issues and resolving WAN problems
• Experience supporting cost-effective, high-performance IP and LAN/WAN solutions

Preferred Additional Skills and Qualifications:

• Experience with Cisco Catalyst Center (DNAC)
• CCNA or higher Cisco certification
• Experience with SD-WAN implementation and operations
• Experience supporting network engineering efforts within the federal intelligence community
• Highly self-motivated, detail-oriented, and able to work with minimal supervision

The Expectations of the Job:

Day One:

• Complete onboarding and orientation to Aretec's culture, security policies, and federal mission environment
• Gain familiarity with the client's network architecture, enclaves, and operational procedures

Day Thirty:

• Begin actively supporting network operations and troubleshooting efforts
• Contribute to documentation, design reviews, and requirements gathering activities

Day Sixty:

• Take ownership of complex network engineering tasks and Tier 3 issue resolution
• Participate in network design, architecture discussions, and process improvement initiatives

Day Ninety:

• Assume senior-level responsibility for key network components or initiatives
• Drive improvements to network reliability, performance, and operational efficiency
• Mentor junior engineers and contribute to knowledge sharing across the team

Additional Notes:

Benefits

At Aretec, we believe our employees are our greatest asset. We offer a comprehensive benefits package designed to support your health, well-being, and professional development:

• Health, Dental, and Vision Insurance
• 401(k) Plan with Employer Match
• Certification Stipends
• Professional Development Opportunities
• Flexible Work Arrangements (as permitted by contract)
• Paid Time Off and Holidays

Citizenship Requirement

Due to the nature of our federal contracts and the secure environments in which we operate, only applicants who are sole U.S. Citizens can be considered for this position.

Equal Opportunity Employer

Aretec, Inc. is proud to be an Equal Opportunity Employer. We are committed to creating an inclusive environment for all employees and applicants. All qualified individuals will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or any other legally protected characteristics.