Network Engineer Level III (Firewall)|Req#4542

ActioNet, Inc.
Rosslyn, VA

Description

Position: Network Engineer - Level III

Location: Rosslyn, VA

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.

Posted 2026-05-27

Recommended Jobs

Inside Sales Engineer

Busch Vacuum Solutions
Virginia Beach, VA

Busch Vacuum Solutions is a leading manufacturer of vacuum pumps, compressors, and blowers for use in industries such as semiconductor manufacturing, food processing, metallurgy, biomedical, and mate…

View Details
Posted 2026-01-08

Travel Nurse RN - Emergency Room (ER) / Trauma - $2,056 per week in Danville, VA

TravelNurseSource
Danville, VA

Registered Nurse (RN) | Emergency Room (ER) / Trauma Location: Danville, VA Agency: Cynet Health Pay: $2,056 per week Shift Information: Nights - 3 days x 12 hours Contract Dur…

View Details
Posted 2026-05-27

Senior UI/UX Designer (Reston, VA)

CEDENT
Reston, VA

The User Experience Designer is proficient at user research, interaction design and visual design. The individual will lead and drive UX strategy to collaborate with Product Management, End users, Bus…

View Details
Posted 2025-10-09

Civil Litigation Associate Attorney

Orion Placement
Charlottesville, VA

Pay: $95,000.00 - $130,000.00 per year Why This Is a Great Opportunity Join a highly respected Virginia law firm with a strong reputation for litigation, client service, and professional …

View Details
Posted 2026-04-24

Senior IT Management Consultant

Tau Six
Chantilly, Loudoun County, VA

Tau Six, an agile small company delivering cutting edge cybersecurity and systems integration services to the US National Security market, has an immediate need for a Senior IT Management Consultant …

View Details
Posted 2026-02-01

Entry-Level Sales & Marketing Associate | No Experience Needed

Flrsh In
Chesapeake, VA

Immediate Hiring | Paid Training | Career Growth | Mission-Driven Work Are you looking to launch a meaningful career in sales, marketing, and community engagement? We’re actively hiring Entry…

View Details
Posted 2026-05-24

Senior Manager, Software Engineering, Full Stack (Bank Tech)

Capital One
McLean, VA

Overview Senior Manager, Software Engineering, Full Stack (Bank Tech) Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced…

View Details
Posted 2026-05-18

Senior System Administrator - TS/SCI with Polygraph

General Dynamics Information Technology
Reston, VA

Public Trust: None Requisition Type: Regular Your Impact Own your opportunity to serve as a critical component of our nation’s safety and security. Make an impact by using your expertise t…

View Details
Posted 2026-05-07

Mechanic

Blue Bird Bus Sales Of Pittsburgh, Inc.-
Petersburg, VA

Blue Bird Bus Sales of Virginia is looking for great people to join our family. If you are ready for a team environment, excellent pay, in house and factory training, with great benefits, come apply …

View Details
Posted 2026-04-08

Product Designer, Senior Associate

Capital One
McLean, VA

Overview Product Designer, Senior Associate We’re currently seeking a Product Designer to join our Experience Design team. We’re passionate about creating memorable, meaningful product experie…

View Details
Posted 2026-05-07