4A Consulting, LLC ยท 19 hours ago
Network Security Engineer
Ellicott City, MD
Full-time
Hybrid
Senior Level, Lead/Staff
$50/hr - $54/hr
8+ years exp4A Consulting, LLC is a women-owned, boutique consulting firm specializing in innovative, data-driven solutions for the Federal Government and Fortune 500 clients. The Senior Network Engineer (Security) will be responsible for designing, implementing, and maintaining enterprise network and security infrastructure while ensuring secure and scalable network operations.
AnalyticsBig DataCyber SecurityInformation TechnologyManagement Consulting
Hiring Manager
Nishant Sanghvi
Responsibilities
Plan, design, and build LAN and WAN infrastructures, including firewalls, routers, switches, access points, and related network components
Perform configuration, monitoring, troubleshooting, and maintenance of:
Firewalls
Routers and switches
Network Access Control (NAC)
Network Management Systems (NMS)
IDS/IPS
VPN solutions
SIEM platforms
Develop and maintain network documentation, including diagrams, configurations, and technical descriptions
Monitor network performance and availability, ensuring 99.9% uptime and uninterrupted operations
Analyze current and projected network traffic to forecast capacity needs and design future-ready solutions
Conduct short- and long-term network planning to meet organizational communication requirements
Research emerging technologies and evaluate vendor solutions; prepare tradeoff studies and recommendations
Generate network monitoring and utilization reports to support performance analysis and decision-making
Interact with internal IT teams, external agencies, and vendors to support new implementations and resolve incidents
Troubleshoot network issues, resolve outages, and mitigate service degradation without impacting performance
Document incidents, changes, and resolutions using ticketing systems, ensuring timely and accurate updates
Perform project management tasks, including team coordination, scheduling, training, and maintenance planning
Provide high-quality customer service and technical support to internal and external stakeholders
Ensure compliance with security, confidentiality, legal, regulatory, and organizational policies
Lead cross-functional teams and manage stakeholder relationships to drive consensus and successful outcomes
Qualification
Required
8+ years of experience in enterprise network engineering and operations, supporting large-scale environments
7+ years of experience configuring and managing routers and switches in complex LAN/WAN infrastructures
3+ years of hands-on experience configuring and managing firewalls
10+ years of experience monitoring network equipment, performance, and availability in enterprise environments
Strong experience with network analysis and management tools, supporting client/server architectures
Strong understanding of network security technologies, including IDS/IPS, VPNs, NAC, and SIEM solutions
Excellent written and verbal communication skills, with the ability to produce clear, concise, and audience-appropriate documentation
Ability to troubleshoot complex network issues and implement effective, timely resolutions
Ability to work independently in hybrid and on-site environments, including travel to multiple locations as required
Preferred
Experience supporting hybrid remote and on-site network environments
Experience working in public-sector or highly regulated environments
Familiarity with carrier management, including long-distance and local telecommunications providers
Experience leading or mentoring technical teams and coordinating cross-functional initiatives
Strong background in capacity planning, performance modeling, and high-availability design
Benefits
Access career development programs, mentorship, and learning opportunities.
Enjoy a comprehensive benefits package, flexible work options, and a focus on work-life balance.
Company
4A Consulting, LLC
4A Consulting is a leading IT Services and Consulting firm, certified as an 8(a) Small Disadvantaged Business (SDB), Women-Owned Small Business (WOSB), and Minority Business Enterprise (MBE).
51-200 employees
H1B Sponsorship
4A Consulting, LLC has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (5)
2023 (5)
2022 (1)
2021 (2)
Funding
Current Stage
Growth StageCompany data provided by crunchbase