Network Engineer III (Secret Clearance)

Reference: 722906BRPosted: 2026-07-13Location: COLORADO SPRINGS, ColoradoSalary: $85,500 - $150,765Clearance: SecretCompany: Lockheed MartinDescription:What We’re DoingAt Lockheed Martin, our Command and Control, Battle Management and Communications (C2BMC) National Team (C2NT) is pioneering the development and integration of cutting-edge technologies to advance the Missile Defense System, safeguarding the United States and its allies. Our collaborative and agile organization operates in a fast-paced environment, driving innovation through tasks such as sensor/weapon integration, algorithm development, user interface development, automated testing, cyber security, enterprise/infrastructure services, and enhancing leading-edge missile defense technologies.The WorkYou will support the implementation, maintenance, and troubleshooting of Lockheed Martin’s enterprise network infrastructure for the C2BMC program. Your day‑to‑day duties include configuring and maintaining routers, switches, and firewalls (Cisco, Juniper, Fortinet, Palo Alto), monitoring LAN/WAN performance, and resolving connectivity, latency, and packet‑loss issues. You will implement core networking technologies such as VLANs, OSPF, BGP, GRE tunnels, and multicast, and you’ll collaborate with senior engineers and cross‑functional IT teams on network design, upgrades, and project deployments. The role requires regular travel to remote sites for installations, independent troubleshooting, and status reporting, as well as on‑call support outside regular business hours when critical activities arise.Please Note: - This position requires a government security clearance; you must be a US Citizen for consideration.- This position is based at a Lockheed Martin facility in Colorado Springs, CO. The role requires flexibility to travel to alternate work locations as needed (valid passport required)Who We AreAs leader of the C2BMC team, Lockheed Martin directs a partnership of highly responsive industry leaders developing and fielding the backbone of America’s missile defense. Together, this national team supports the design, development, test, integration and fielding of hardware and software elements that enable the Missile Defense System (MDS) to function effectively and continually. You will also have the opportunity to interface with our key customers in the Missile Defense Agency (MDA).C2BMC|Lockheed MartinWho You AreYou are a proven mid‑level network engineer with at least three years of hands‑on experience designing, testing, and supporting multi‑vendor LAN/WAN environments. You bring a strong foundation in the OSI model, TCP/IP, routing protocols (BGP, OSPF), and firewall technologies, and you are comfortable performing root‑cause analysis and documenting resolutions. Your communication skills enable you to convey complex technical concepts clearly, both in writing and presentations (PowerPoint, Visio). You hold the required certifications, a Secret clearance, and the U.S. citizenship and passport needed to travel and support this critical defense program.Why Join Us-Your Health, Your Wealth, Your Life-Our flexible schedules, competitive pay and comprehensive benefits enable you to live a healthy, fulfilling life at and outside of work.Learn more about Lockheed Martin's comprehensive benefits package here!Basic Qualifications:- Active Secret security clearance and U.S. citizenship with a valid passport - IAT‑Level II (8570‑compliant) certification (e.g., Security+, GSEC, SCNP, SSCP, CISSP, CISA, GSE, SCNA).- CCNA or JNCIA certification.- Proven hands‑on experience with Cisco and Juniper routing/switching, firewalls (Juniper, Fortinet, Palo Alto).- Solid understanding of the OSI model, TCP/IP, BGP, OSPF, VLANs, GRE tunnels, UDP multicast, SONET, and MSPP.- Experience with WAN optimizers, TACLANEs, and optical transport equipment.- Strong network traffic analysis, diagnostic, and troubleshooting skills.- Effective written and verbal communication; proficiency with Microsoft Office (PowerPoint, Visio).Desired Skills:- Top Secret clearance.- CCNP or JNCIP certification.- Knowledge of VMware NSX, vSAN, and Aria.- Network automation experience using Ansible.- Familiarity with DoD security standards (STIG compliance, system accreditation).- Prior experience with the C2BMC program or other missile‑defense networking environments.Security Clearance Statement: This position requires a government security clearance, you must be a US Citizen for consideration.Clearance Level: SecretOther Important Information You Should KnowExpression of Interest: By applying to this job, you are expressing interest in this position and could be considered for other career opportunities where similar skills and requirements have been identified as a match. Should this match be identified you may be contacted for this and future openings.Ability to Work Remotely: Onsite Full-time: The work associated with this position will be performed onsite at a designated Lockheed Martin facility.Work Schedules: Lockheed Martin supports a variety of alternate work schedules that provide additional flexibility to our employees. Schedules range from standard 40 hours over a five day work week while others may be condensed. These condensed schedules provide employees with additional time away from the office and are in addition to our Paid Time off benefits.Schedule for this Position: 4x10 hour day, 3 days off per weekPay Rate: The annual base salary range for this position in California, Massachusetts, and New York (excluding most major metropolitan areas), Colorado, Hawaii, Illinois, Maryland, Minnesota, New Jersey, Vermont, Washington or Washington DC is $85,500 - $150,765. For states not referenced above, the salary range for this position will reflect the candidate’s final work location. Please note that the salary information 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 and business considerations when extending an offer.Benefits offered: Medical, Dental, Vision, Life Insurance, Short-Term Disability, Long-Term Disability, 401(k) match, Flexible Spending Accounts, EAP, Education Assistance, Parental Leave, Paid time off, and Holidays. (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.This position is incentive plan eligible.Lockheed Martin is an equal opportunity employer. Qualified candidates will be considered without regard to legally protected characteristics.The application window will close in 90 days; applicants are encouraged to apply within 5 - 30 days of the requisition posting date in order to receive optimal consideration.At Lockheed Martin, we use our passion for purposeful innovation to help keep people safe and solve the world's most complex challenges. Our people are some of the greatest minds in the industry and truly make Lockheed Martin a great place to work. With our employees as our priority, we provide diverse career opportunities designed to propel, develop, and boost agility. Our flexible schedules, competitive pay, and comprehensive benefits enable our employees to live a healthy, fulfilling life at and outside of work. We place an emphasis on empowering our employees by fostering an inclusive environment built upon integrity and corporate responsibility.If this sounds like a culture you connect with, you’re invited to apply for this role. Or, if you are unsure whether your experience aligns with the requirements of this position, we encourage you to search on Lockheed Martin Jobs, and apply for roles that align with your qualifications.Experience Level: Experienced ProfessionalBusiness Unit: RMSRelocation Available: PossibleCareer Area: Systems Engineering: Network Systems EngineersType: Full-TimeShift: First