Network Engineer Level III (Firewall)
Confirmed on the employer's own hiring board on Oct 8, 2026. First seen by Alion on Oct 7, 2026.
Description
Position: Network Engineer - Level III
Clearance: Secret
The Network Engineer Level III is a senior IT professional responsible for leading the design, implementation, and management of complex network systems. This role involves resolving high-level network issues, optimizing infrastructure for scalability, and ensuring compliance with security and performance standards. The Level III engineer provides strategic guidance, mentors junior staff, and plays a key role in planning and executing enterprise-level network projects. Duties are:
- Design and implement advanced network architectures to support organizational goals and scalability.
- Lead the planning and execution of network upgrades, migrations, and expansions.
- Perform advanced troubleshooting and root cause analysis for critical network issues.
- Optimize network performance and scalability through proactive monitoring and adjustments.
- Develop and enforce network policies, procedures, and security protocols.
- Manage the lifecycle of network hardware and software, including procurement and upgrades.
- Collaborate with stakeholders to assess and address long-term network requirements.
- Document network designs, configurations, and operational procedures for knowledge sharing.
- Mentor and train junior engineers to build team expertise and capabilities.
- Ensure compliance with federal IT security standards, such as FISMA, NIST, and other applicable regulations.
Professional Qualifications/Skills
- Bachelor’s degree in Information Technology, Computer Science, or a related field (or equivalent experience).
- 7 years of experience in network engineering or a related IT role.
- Expertise in advanced networking protocols, such as MPLS, BGP, and QoS.
- Proficiency in managing enterprise-level network hardware and software.
- Strong understanding of network security frameworks and tools, including firewalls and intrusion detection systems.
- Experience with cloud networking solutions, such as AWS or Azure. Relevant certifications, such as Cisco Certified Network Professional (CCNP) or Juniper Networks Certified Professional (JNCP), are highly desirable.
- Excellent leadership, communication, and project management skills.
- Ability to work independently and lead cross-functional teams in high-pressure environments.
- Strong analytical skills to assess and improve network performance and reliability.
ActioNet is a dynamic, award-winning SEI CMMI Level 4 and ISO 20000/ISO 27000 I Certified IT Services Firm that specializes in Enterprise Software Development involving Full Lifecycle Methodology, Project Management, Information Systems Security, Systems Integration and Training. ActioNet is committed to quality exemplified by our continual efforts to enhance how we do business. Our vision is what sets up apart, we help our customers align their IT strategies with their business goals.
Why ActioNet?
It is simple. We are passionate about the inspirational missions of our customers and we entrust our employees and teams to deliver exceptional performance to enable the safety, security, health and well-being of our nation. We have been awarded the Washington Post Top Places to Work for 8 years in the row.
What's in It For You?
As an ActioNeter, you get to be part of exceptional team and a corporate culture that nurtures mutual success for our customers, employees and our communities. We give you the tools to be successful; all you need to do is bring your best ideas, your energy and a desire to develop your skills, experience and career.
Are you ready to make a difference?
ActioNet is an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.