Sr. Network Engineer - Secret - Onsite in Orlando, Fl

Lockheed Martin’s EBDT Classified IT Transformation team is modernizing the delivery of classified IT services for Business-Area partners and DoD programs. We seek an experienced Network Engineer to join the Classified IT Center of Excellence (CoE). In this fast-paced, innovation-driven environment, the incumbent will:

• Design, implement, and secure next-generation IT infrastructure solutions.
• Standardize and streamline processes across classified environments.
• Collaborate with cross-functional teams to accelerate product development for U.S. Department of Defense missions.
• Ensure compliance with all relevant security policies and industry best practices.
• The role is critical to enabling Lockheed Martin to deliver higher-quality, mission-critical solutions more rapidly., * Perform routine updates, major upgrades, patching, and vulnerability scanning
• Maintain asset inventory and ensure hardware/software lifecycle compliance
• Enforce Lockheed Martin and DoD policies, including STIG and RMF requirements
• Implement security hardening, remediate findings, and conduct technical security implementations
• Provide timely resolution of infrastructure issues (hardware, software, networking)
• Update Service Central tickets, JIRA issues, and Confluence pages with accurate status, work-performed details, and any changes to scope, priority, or assignment; attach relevant artifacts and ensure traceability to requirements or incidents.
• Coordinate with stakeholders (customers, engineers, and support leads) to verify resolution, close tickets or issues promptly, and communicate any follow-up actions or documentation updates across all three platforms.
• Design and implement innovative technical solutions to complex problems
• Support classified customer demonstration environments and lab testbeds, ensuring readiness and performance for stakeholder reviews
• Document system configurations, procedures, and lessons learned
• Mentor junior staff and contribute to knowledge-base growth
• Participate in a 24 × 7 on-call rotation; work off-shift hours and weekends as needed
• Work onsite full-time with occasional travel to other Lockheed Martin facilities or customer sites

• Demonstrated experience with configuring and maintaining Network devices (Switches, Firewalls and Routers).
• Experience with Cisco, Juniper and Palo Alto network devices and creating firewall rule Policies.
• IAT-Level II (8570-compliant) certification (Security+ or equivalent certification)
• Proven classified infrastructure support and administration experience
• Experience with DoD requirements and processes including Risk Management Framework requirements within classified environments.

Desired Skills

• IAT-Level II (8570-compliant) certification (Security+, GSEC, SCNP, SSCP, CISSP, CISA, GSE, SCNA)
• Network-security certifications (CCNA, CCNP, CCIE, JNCIA, Palo Alto Networks)
• 4 + years experience administering and supporting enterprise-class, classified IT infrastructure
• Hands-on experience with Cisco, Juniper, and Palo Alto devices; Cisco ACI, CUCM, Unity Connection, Voice/VTC deployments
• Configuring, installing, deploying, and maintaining switches, routers, firewalls, WAN optimizers, encryption appliances (TACLANE), and optical-transport equipment
• Strong knowledge of the OSI model, TCP/IP, BGP, OSPF, VLANs, GRE tunnels, UDP multicast, SONET, MSPP, DNS, DHCP, subnetting, and Layer-2/3 VLAN design
• Network traffic analysis, diagnostics, and troubleshooting expertise
• Virtualization & cloud platforms: VMware (NSX, vSAN, Horizon, ARIA), private/public clouds, SAN/NAS, VDI, NetApp storage, Dell VxRail/HCI
• Scripting/automation (PowerShell, Bash, Python or similar)
• Firewall rule creation and policy management
• Familiarity with STIGs, RMF, vulnerability management, patching, and security hardening processes
• Experience with ITSM/ITOM tools (e.g., Aria Operations) and DoD Cloud Computing SRG compliance
• Excellent written and verbal communication, documentation, and mentoring skills
• Obtaining and maintaining a Secret / Top Secret (or higher) security clearance may be required; must remain eligible throughout employment , U.S. citizen, candidates must also be eligible to undergo a Counter-Intelligence (CI) polygraph.

Full-Time Salary Range: $85300.00 - $158300.00

At Lockheed Martin, we know mission success starts with taking care of our people. Our Total Rewards program is designed to attract top talent, support your well-being, and help you grow-both professionally and personally.

The salary range for this position is as listed on the requisition. Please note that the salary information listed is a general guideline only. Lockheed Martin considers factors such as (but not limited to) scope and responsibilities of the position, candidate’s work experience, education/ training, key skills as well as market(work location) and business considerations when extending an offer.

Benefits offered: Medical, Dental, Vision, Flexible work arrangements and schedules (e.g., 4x10), 401(k) match, Paid time off, Holidays, Parental Leave, EAP, Flexible Spending Accounts, Education Assistance, Life Insurance, Short-Term Disability, and Long-Term Disability.

• Annual short-term and/or long-term incentive compensation programs may be offered depending on the position. Payments under these annual programs are not guaranteed and can vary from year to year and are tied to a range of performance metrics.
• For (Washington state applicants only) Non-represented full-time employees: accrue at least 10 hours per month of Paid Time Off (PTO) to be used for incidental absences and other reasons; receive at least 90 hours for holidays. Represented full time employees accrue 6.67 hours of Vacation per month; accrue up to 52 hours of sick leave annually; receive at least 96 hours for holidays. PTO, Vacation, sick leave, and holiday hours are prorated based on start date during the calendar year.

Lockheed Martin is an equal opportunity employer. Qualified candidates will be considered without regard to legally protected characteristics.