SRE Senior Network Engineer
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Job Location:
Jacksonville, FL - USA
Monthly Salary:
$ 107900 - 195050
Posted on:
13 hours ago
Vacancies:
1 Vacancy
Job Summary
Leidos is seeking aSRE Senior Network or Boundary Engineer to join the SRE BAN/LAN/WLAN pod or the WAN/DSTB Pod within the SRE Transport domain to support theService Management Integration and Transport (SMIT) Contract for the Navy-Marine Corps Intranet (NMCI). This position involves advanced support and maintenance of enterprise network switches routersFirewall DMZ VPN and Intrusion Prevention Systems (IPS) to ensure continuous threat protection and secure network operations.
Key Responsibilities
- Lead efforts to identify troubleshoot and resolve complex network issues in a dynamic environment.
- Configure and maintainSwitches Routers Firewalls VPNs DMZs Load Balancers VLANs Wireless APs and IPSto ensure robust network security.
- Provide expertise and support for thelargest Intranet in the world.
- Collaborate with cross-functional teams to enhance network operations.
- Develop and maintainEngineering Implementation Plans (EIP).
- Serve asTier III escalation support including vendor engagement for incident management.
- Apply extensive knowledge ofdefense-in-depth principlesto secure network infrastructure.
- Track all work in the agile framework using JIRA attend DSUs Retrospectives and provide detailed demos for our PIs.
- ConductRoot Cause Analysisfor problem management activities.
- Participate in engineering and project meetings to design future enterprise solutions.
- Create change management tickets for deployments maintenance etc.
Mandatory Qualifications
- Education: B.S. Degree with 812 years of relevant experience or a Masters Degree with 610 years of relevant experience (substitutions at Hiring Managers discretion).
- Experience with the agile framework SAFe and JIRA.
- Clearance: ActiveDoD Secret clearance Top Secret eligible.
- Certifications:
oDoD 8570.01 IAT Level III Certification(e.g. CASP CISSP CCNP Security).
oANetwork Vendor Certification(e.g. Cisco Juniper Aruba F5 Palo Alto McAfee Trellix Forcepoint Brocade Gigamon Arista Aruba).
Skills and Expertise
- Subject Matter Expertise inNetwork BAN/LAN/CAN/WAN/WLAN and Network Boundary engineering.
- Proficiency in performing highly technical network maintenance and configurations.
- Familiarity in providing Tier III escalation support for a 16000 device network across 450 geographically dispersed locations.
- Experience being the SME and backstop for troubleshooting efforts across multiple network disciplines from other sections of CCNP/CCIE level network engineers.
- Extensive experience troubleshooting networks includingrouting switching SD-WAN WLAN MPLS VPNs OSPF BGP EIGRP switching protocols and multicast.
- Strong written and oral communication skills and problem-solving abilities.
- Willingness to rotate on-call and work during off-hours to meet program requirements.
- Ability to travel up to10%
Preferred Qualifications
- Previous experience supporting theNMCI network.
- Prior work experience withDoD programs.
- Network Automation (IaC Ansible Python etc.)
- Arista experience
Why Join Us
This role offers the opportunity to work on one of the most significant and complex IT environments globally. You will collaborate with a team of experts contribute to mission-critical operations and play a vital role in securing the Navy-Marine Corps Intranet.
If youre looking for comfort keep scrolling. At Leidos we outthink outbuild and outpace the status quo because the mission demands it. Were not hiring followers. Were recruiting the ones who disrupt provoke and refuse to fail. Step 10 is ancient history. Were already at step 30 and moving faster than anyone else dares.
Original Posting:
February 9 2026For U.S. Positions: 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 $107900.00 - $195050.00The Leidos pay range for this job level is a general guideline onlyand 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.
Required Experience:
Senior IC
Key Skills
- EIGRP
- Load Balancing
- Routing Protocols
- Network Engineering
- BGP
- LAN
- Computer Networking
- IPsec
- OSPF
- Cisco ASA
- Juniper
- MPLS
About Company
Leidos is an innovation company rapidly addressing the world's most vexing challenges in national security and health. Our 47,000 employees collaborate to create smarter technology solutions for customers in these critical markets.
