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Job Details

Firewall Engineer


Applications Engineer


Suitland, Maryland, United States


Are you ready for a rewarding career?

Unleash your potential at Leidos, where we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customer’s success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. Our team is solving the world’s toughest security challenges for customers with “can’t fail” missions. From scanning for illicit material at ports and borders to predicting future events and instability up to five years in advance, our products help customers make the world safer.

If this sounds like an environment where you can thrive, keep reading!

Are you looking for an exciting job opportunity that will allow you to use your skills and expertise to make a real difference? The National Security Sector has just the role for you! We are seeking a Firewall Engineer to join our team at the National Maritime Intelligence Center in Suitland, MD. In this dynamic position, you will have the chance to work across projects and teams to provide support for the Office of Naval Intelligence's (ONI) Hopper Global Command Center's Firewall Infrastructure. Your daily activities will directly impact real-world operations and assist in implementing and leveraging the latest capabilities of Network Engineering and Administration support to government customers worldwide. This is an opportunity you won't want to miss! Join us today and be part of a dynamic team dedicated to making a difference.

Great News! Program is now offering additional Paid Time Off or a Sign-on Bonus!

What Will You Do

  • Provide engineering, operations and sustainment for Palo Alto Firewall environment at the customer facility.

  • Review Information Assurance Vulnerability Alerts/Bulletins (IAVA/B) related to Palo Alto products and develop and implement remediation plans.

  • Coordinate outages with functional customers and customer leadership.

  • Develop Standard Operating Procedures (SOP) for routine and non-routine procedures that assist in the management and operation of the firewall operating environments.

  • Perform any required re-accreditation actions such as DISA STIG review, OS upgrades, vulnerability scan remediation, and document various required lists (PPSM, H/W, and S/W) during the network’s accreditation cycle.

  • Maintain accurate equipment inventory by serial number, model number, barcode, and location.

  • Recommend changes to the government for improvement in the operating and/or security environment.

  • Assist IA network defense personnel in any investigation consisting of a network breach or practice dangerous to the security posture of the network.

Your Areas of Knowledge & Expertise (job qualifications)

  • Bachelor's degree with a minimum of 7 or more years of related work experience; additional years of experience will be considered in lieu of degree.

  • 4 or more years of demonstrated experience in Firewalls, VPN technologies, and Remedy® incident management tool.

  • Proficient with: MS VISIO, VLANs, VPN, GRE, subnetting, Netflow, and various other networking protocols.

  • Proficient with various network management tools (i.e. Solarwinds, iPerf, Wireshark, etc).

  • Proven experience with various firewall rules and ACLs.

  • Proven experience with applying various security standards (i.e. DISA STIGs, ACAS scans, etc.).

  • Proficiency with TACACs+, data packet capture, traffic analysis, and vulnerability analysis and remediation

  • Proven experience with various routing and networking protocols such as: EIGRP, BGP, SNMP, OSPF, Spanning Tree, ARP, dot1Q, VLANs, VPN, GRE, subnetting, NAT, Netflow

  • Experience with data packet capture, traffic analysis, and vulnerability analysis & remediation

  • Up to 10% travel may be required.

Clearance Required

  • An active DoD Top Secret/SCI level of clearance (to be considered, must have currently)

Certifications Required

  • A Current IAT Level II DoD Approved 8570-M Baseline Certification (e.g. Security+ce or equivalent) or the ability to obtain within 30 days from date of offer of acceptance

  • A current Palo Alto firewall certification or the ability to obtain 90 days from date of offer of acceptance.

At Leidos, the opportunities are boundless. We inspire our staff with interesting assignments that allow them to thrive professionally and personally. For us, helping you grow your career is good business. We look forward to learning more about you – apply today!



Original Posting Date:


While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $101,400.00 - $183,300.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.