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

Lockheed Martin; Orlando (FL); On-site; USD 85,000 - 158,000; Full time

Benefits offered by this job

Medical, Dental, Vision

Flexible work arrangements (e.g., 4x10

401(k) match

Paid time off

Parental Leave

EAP

Education Assistance

Life Insurance

Short-Term Disability

Long-Term Disability

Job summary

Lockheed Martin is seeking an experienced Network Engineer to join the Classified IT Center of Excellence in a fast-paced, on-site role in the Orlando area. You will design network architectures, implement security controls, and coordinate with stakeholders to resolve incidents and update documentation.

The position requires DoD eligibility, an active clearance, and IAT certifications. Expect routine upgrades, vulnerability management, and hands-on work across a range of network technologies

Qualifications

• US Citizenship required.
• Active DoD Clearance.
• Must be willing to attain and maintain SAP access.
• Active DoD 8570 IAT Level II or III certifications (Security+, CISSP, CASP).
• 3+ years of Network Admin or System Admin experience (including VoIP), installations, configuration, and troubleshooting.
• Experience with network virtualization concepts.
• Firewall experience (Preferably Palo Alto).

Responsibilities

• Designs and plans network systems; provides specifications and schematics for network architecture and hardware/software selection.
• Perform routine updates, major upgrades, patching, and vulnerability scanning.
• Maintain asset inventory and ensure hardware/software lifecycle compliance.
• Enforce LockheedMartin and DoD policies, including STIG and RMF requirements.
• Implement security hardening and remediate findings.
• Provide timely resolution of infrastructure issues (hardware, software, networking).
• Update tickets and Confluence pages; ensure traceability to requirements or incidents.
• Coordinate with stakeholders to verify resolution and close tickets promptly.
• Design and implement innovative technical solutions to complex problems.
• Support classified customer demonstrations and lab testbeds; ensure readiness and performance.
• Document system configurations, procedures, and lessons learned.
• Mentor junior staff and contribute to knowledge-base growth.
• Participate in a 24x7 on-call rotation; work off-shift hours and weekends.
• Work onsite full-time with occasional travel to other LockheedMartin facilities or customer sites.

Skills

Network Admin

VoIP Admin

Network virtualization

Firewall experience

Python scripting

NSX-V

NSX-T

Cisco ACI

SD-WAN

Identity Management

Ansible Tower

NIST RMF familiarity

SNMP

CCNA

CCNP

PCNSA

Windows Server administration

Education

Active DoD Clearance

Active DoD 8570 IAT Level II or III certifications (Security+, CISSP, CASP)

Tools

Palo Alto Firewall

SolarWinds

SNMP

TACLANE/GEMONE

Job description

Standard Job Description

LockheedMartin’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:

• Designs and plans network communications systems. Provides specifications and detailed schematics for network architecture. Provides specific detailed information for hardware and software selection, implementation techniques and tools for the most efficient solution to meet business needs, including present and future capacity requirements. Conducts testing of network design. Maintains technical expertise in all areas of network and computer hardware and software interconnection and interfacing, such as routers, multiplexers, firewalls, hubs, bridges, gateways, etc. Evaluates and reports on new communications technologies to enhance capabilities of the network.
• Perform routine updates, major upgrades, patching, and vulnerability scanning
• Maintain asset inventory and ensure hardware/software lifecycle compliance
• Enforce LockheedMartin 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 ServiceCentral 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 LockheedMartin facilities or customer sites

Basic Qualifications

• US Citizenship is required for this position
• Active DoD Clearance
• Ability and willingness to attain and maintain Special Access Program (SAP) access.
• Active DoD 8570 IAT Level II or III certifications (i.e. Security +, CISSP, CASP)
• 3+ years of Network Admin or System Admin experience (including VoIP Admin experience); installations, configuration, and troubleshooting, and design.
• Experience with network virtualization concepts
• Firewall experience (Preferably Palo Alto)

Desired Skills

• Experience with network virtualization technologies NSX-V, NSX-T, Cisco ACI
• Experience with SD-WAN Technology
• Experience with IoT and Identity Management
• Experience with API, scripting (preferably Python)
• Familiarity Ansible Tower
• Familiarity with NIST SP 800-37 RMF System Lifecycle
• SolarWinds/SNMP experience
• General Dynamic encryptor experience
• General Dynamic TACLANE/GEMONE experience
• CCNA, CCNP or PCNSA
• Windows Server administration

Pay Information

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.