Network Engineer 3

HII's Mission Technologies division; United States; On-site; USD 93,000 - 133,000; Full time

Benefits offered by this job

Medical, dental, vision benefits

401(k) Savings Plan

Job summary

HII's Mission Technologies division is seeking a mid-level Network Engineer to plan, deploy, and secure DoD-grade network infrastructures supporting Air Force mission systems.

You will configure routers, switches, firewalls, VPNs, and monitor performance using industry tools. A TS/SCI clearance and IAT II certification are required, with opportunities for advanced RMF compliance experience.

Qualifications

• Bachelor’s degree in Information Technology, Networking, Cybersecurity, Computer Science, or related field; OR equivalent combination of education and experience.
• 5 years of hands-on experience supporting enterprise or tactical network environments.
• Working knowledge of Layer 2/3 networking concepts, IP routing, VLANs, ACLs, and basic network security.
• Experience configuring and maintaining common network hardware (e.g., Cisco, Juniper, Brocade, Aruba).
• Ability to perform network troubleshooting using standard tools and methodologies.
• DoD 8570 IAT Level II certification (e.g., Security+, CCNA Security, CYSA+), or ability to obtain within required timeframe.
• Active TS/SCI clearance.

Responsibilities

• Support the planning, implementation, maintenance, and troubleshooting of secure network infrastructures supporting DAF mission systems.
• Configure, monitor, and maintain routers, switches, firewalls, VPNs, and other network devices.
• Perform network performance analysis, fault isolation, and root-cause investigations to ensure high availability and reliability.
• Assist with network upgrades, technology refreshes, and the integration of new systems or capabilities.
• Implement and maintain network security controls aligned with DoW and DAF cybersecurity policies.
• Support accreditation, compliance, and documentation activities under RMF and related processes.
• Maintain documentation including network diagrams, configuration baselines, SOPs, and change records.
• Provide user support and technical guidance to on‑site personnel and mission operators.
• Participate in on‑call or after‑hours support as required by mission operations.

Skills

Layer 2/3 networking

Cisco/Juniper/Brocade/Aruba

DoD 8570 IAT II cert

Active TS/SCI clearance

Network troubleshooting

Bachelor’s degree or equivalent

Education

Bachelor’s degree in IT/Networking/Cybersecurity/CS

Tools

SolarWinds

Splunk

ManageEngine

Job description

Requisition Number: 30819

Required Travel: 0 - 10%

Employment Type: Full Time/Salaried/Exempt

Anticipated Salary Range: $93,276.00 - $133,000.00

Security Clearance: TS/SCI

Level of Experience: Mid

This opportunity resides with Warfare Systems (WS) , a business group within HII’s Mission Technologies division. Warfare Systems comprises cyber and mission IT; electronic warfare; and C5ISR systems.

HII works within our nation’s intelligence and cyber operations communities to defend our interests in cyberspace and anticipate emerging threats. Our capabilities in cybersecurity, network architecture, reverse engineering, software and hardware development uniquely enable us to support sensitive missions for the U.S. military and federal agency partners.

Leadership Mindset at HII – Mission Technologies

Leadership at HII is a mindset, not a title. Through our Leadership Capability Framework, we define how every team member contributes to our mission and culture:

• Know & Grow Your People – Commit to learning and supporting team success.
• Build Relationships – Communicate openly, collaborate well, and build trust.
• Take Ownership – Deliver on commitments and take pride in your work.
• Customer First – Focus on the mission and those we serve.
• Shape the Future – Bring ideas, curiosity, and continuous improvement.
• Act with Urgency – Take initiative and follow through with purpose.

These capabilities guide how all employees contribute to our shared success across Mission Technologies.

Job Description

This opportunity resides with Warfare Systems (WS) , a business group within HII’s Mission Technologies division. Warfare Systems comprises cyber and mission IT; electronic warfare; and C5ISR systems.

HII works within our nation’s intelligence and cyber operations communities to defend our interests in cyberspace and anticipate emerging threats. Our capabilities in cybersecurity, network architecture, reverse engineering, software and hardware development uniquely enable us to support sensitive missions for the U.S. military and federal agency partners.

Meet HII’s Mission Technologies Division
Our team of more than 7,000 professionals worldwide delivers all-domain expertise and advanced technologies in service of mission partners across the globe. Mission Technologies is leading the next evolution of national defense – the data evolution - by accelerating a breadth of national security solutions for government and commercial customers. Our capabilities range from C5ISR, AI and Big Data, cyber operations and synthetic training environments to fleet sustainment, environmental remediation and the largest family of unmanned underwater vehicles in every class. Find the role that’s right for you.

To learn more about Mission Technologies, click here for a short video: https://vimeo.com/732533072

Essential Job Responsibilities

• Support the planning, implementation, maintenance, and troubleshooting of secure network infrastructures supporting Department of the Air Force (DAF) mission systems.
• Configure, monitor, and maintain routers, switches, firewalls, VPNs, and other network devices.
• Perform network performance analysis, fault isolation, and root-cause investigations to ensure high availability and reliability.
• Assist with network upgrades, technology refreshes, and the integration of new systems or capabilities.
• Implement and maintain network security controls aligned with DoW and DAF cybersecurity policies.
• Support accreditation, compliance, and documentation activities under RMF and related processes.
• Maintain documentation including network diagrams, configuration baselines, SOPs, and change records.
• Provide user support and technical guidance to on‑site personnel and mission operators.
• Participate in on‑call or after‑hours support as required by mission operations.

Minimum Qualifications

• Bachelor’s degree in Information Technology, Networking, Cybersecurity, Computer Science, or related field; OR equivalent combination of education and experience.
• 5 years of hands‑on experience supporting enterprise or tactical network environments.
• Working knowledge of Layer 2/3 networking concepts, IP routing, VLANs, ACLs, and basic network security.
• Experience configuring and maintaining common network hardware (e.g., Cisco, Juniper, Brocade, Aruba).
• Ability to perform network troubleshooting using standard tools and methodologies.
• DoD 8570 IAT Level II certification (e.g., Security+, CCNA Security, CYSA+), or ability to obtain within required timeframe.
• Active TS/SCI clearance.

Preferred Requirements

• Experience supporting DoW, DAF, or other government/mission‑critical environments.
• Familiarity with RMF, STIGs, and DoW cybersecurity compliance requirements.
• Experience with network monitoring tools (e.g., SolarWinds, Splunk, ManageEngine).
• Knowledge of VPNs, firewalls, IDS/IPS, and secure enclave configurations.
• Experience supporting tactical or austere communications platforms.
• Advanced vendor certifications (e.g., CCNP, JNCIS, Network+ CE).
• Experience with VoIP, unified communications, or radio/IP integration.
• Strong documentation and change‑management discipline.

Physical Requirements

May require working in an office, industrial, or laboratory environment.

Benefits

We offer competitive benefits such as best-in-class medical, dental and vision plan choices; wellness resources; employee assistance programs; Savings Plan Options (401(k)); financial planning tools, life insurance; employee discounts; paid holidays and paid time off; tuition reimbursement; as well as early childhood and post-secondary education scholarships. Bonus/other non-recurrent compensation is occasionally offered for qualified positions, and if applicable to this role will be addressed by the recruiter at the screening phase of application.

Why HII

We build the world’s most powerful, survivable naval ships and defense technology solutions that safeguard our seas, sky, land, space and cyber. Our workforce includes skilled tradespeople; artificial intelligence, machine learning (AI/ML) experts; engineers; technologists; scientists; logistics experts; and business administration professionals.

Recognized as one of America’s top large company employers, we are a values and ethics driven organization that puts people’s safety and well-being first. Regardless of your role or where you serve, at HII, you’ll find a supportive and welcoming environment, competitive benefits, and valuable educational and training programs for continual career growth at every stage of your career.

Together we are working to ensure a future where everyone can be free and thrive.
All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, physical or mental disability, age, or veteran status or any other basis protected by federal, state, or local law.

Do You Need Assistance?

If you need a reasonable accommodation for any part of the employment process, please send an e-mail to [e-mail] and let us know the nature of your request and your contact information. Reasonable accommodations are considered on a case-by-case basis. Please note that only those inquiries concerning a request for reasonable accommodation will be responded to from this email address. Additionally, you may also call 1-844-849-8463 for assistance. Press #3 for HII Mission Technologies.

Meet HII’s Mission Technologies Division
Our team of more than 7,000 professionals worldwide delivers all-domain expertise and advanced technologies in service of mission partners across the globe. Mission Technologies is leading the next evolution of national defense – the data evolution - by accelerating a breadth of national security solutions for government and commercial customers. Our capabilities range from C5ISR, AI and Big Data, cyber operations and synthetic training environments to fleet sustainment, environmental remediation and the largest family of unmanned underwater vehicles in every class. Find the role that’s right for you.

To learn more about Mission Technologies, click here for a short video: https://vimeo.com/732533072

The listed salary range for this role is intended as a good faith estimate based on the role's location, expectations, and responsibilities. When extending an offer, HII's Mission Technologies division takes a variety of factors into consideration which include, but are not limited to, the role's function and a candidate's education or training, work experience, and key skills.