Sr. Network Engineer / TS/SCI Poly SP / Onsite: Hanover, MD

Posted 3 Hours Ago
Be an Early Applicant
Hiring Remotely in MD, USA
Remote
96K-178K Annually
Senior level
Aerospace • Security • Cybersecurity • Industrial
The Role
Supports classified networks by installing, upgrading, operating, maintaining, and troubleshooting network, server, workstation, phone, and storage infrastructure. Configures and maintains LAN/WAN connections, network hardware, Windows and Linux systems, virtualization platforms, and security compliance solutions. Applies RMF requirements, DISA STIGs, hardening methods, and vulnerability management practices while supporting complex applications and continuity of operations.
Summary Generated by Built In
Standard Job Description

Our employees are the core of everything we do, and they are helping the future arrive. As a leading technology innovation company, our team of over 100,000 people works with partners around the world to bring proven performance to our customers’ toughest challenges. Headquartered in Bethesda, MD, Lockheed Martin has employees based in all 50 states and more than 570 facilities that span 70 countries.
This Enterprise Operations (EO) position supports Lockheed Martin Rotary and Mission Systems (RMS). The selected candidate will be responsible for upgrades, operations and maintenance, hardware and software installations, and service requests (servers, workstations, phones, networking, and storage), as well as continuity of operations.
We are seeking a Network Engineer/System Administrator team member to join our team supporting the Hanover and Annapolis Junction. In this fast-paced environment, you'll draw on your education and experience as well as the resources of Lockheed Martin to solve problems and be a contributing member of a highly skilled team. The primary function will be to organize, install, and maintain discrete classified networks.


Performs a variety of activities in information systems design, development, and analysis encompassing one or more of the following areas of technical expertise: programming, computer application analysis, software development, systems integration, and related disciplines.

Basic Qualifications

• Active TS/SCI w/Poly SP Required
• U.S. Citizen Required
• Current CompTIA Security+ certification or Higher DoD 8572 qualified certificate within the first 60 days of employment (or ability to obtain)
• Confident in OSI model, IP addressing and subnetting
• Bachelor’s degree in Computer Science, Information Technology, or a related field (or equivalent exper)
• 5+ years of experience in network engineering and IT support.
• 2+ years of Windows OS experience
• Experience with Risk Management Framework (RMF) Requirements
• Ability to multitask in a fast-paced environment.
• Self-motivated, able to work independently, and takes initiative.
• Outstanding attention to detail.
• Excellent verbal, written communication, and negotiations skills.
• Excellent problem solving/analytical skills and knowledge of analytical tools.
• Demonstrated ability to support, maintain, and administer complex applications

Desired Skills
• Strong understanding of network architecture, protocols, and security principles
• General knowledge of DISA STIGs and hardening methods
• Experience with configuring and troubleshooting LAN and WAN connections
• Experience with classified network environments and familiarity with government security regulations.
• Proficiency in managing and troubleshooting Windows and Linux operating systems.
• Hands-on experience with network hardware (routers, switches, firewalls).
• Excellent problem-solving skills and the ability to work under pressure.
• Knowledge of Windows Server and Desktop Operating Systems administration (Windows, 7, 10, 2008, 2012 and 2016)
• Knowledge of Virtualization (VMware, Horizon, vSphere, vCenter, vCloud, vRealize, NSX, vSAN or VXRail)
• Knowledge of implementing vulnerability compliance solutions (WSUS, SCCM, Splunk, ACAS, SCAP, HBSS, NESSUS)

Pay Information

Full-Time Salary Range: $95900.00 - $178100.00

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.

Skills Required

  • Active TS/SCI security clearance with polygraph
  • U.S. citizenship
  • Current CompTIA Security+ certification or higher DoD 8572-qualified certification, or ability to obtain within 60 days
  • Knowledge of the OSI model, IP addressing, and subnetting
  • Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent experience
  • At least 5 years of network engineering and IT support experience
  • At least 2 years of Windows operating system experience
  • Experience with Risk Management Framework requirements
  • Ability to multitask in a fast-paced environment
  • Ability to work independently and take initiative
  • Strong attention to detail
  • Excellent verbal, written communication, and negotiation skills
  • Strong problem-solving and analytical skills
  • Ability to support, maintain, and administer complex applications
  • Understanding of network architecture, protocols, and security principles
  • Knowledge of DISA STIGs and system hardening methods
  • Experience configuring and troubleshooting LAN and WAN connections
  • Experience with classified network environments and government security regulations
  • Proficiency administering and troubleshooting Windows and Linux operating systems
  • Hands-on experience with routers, switches, and firewalls
  • Knowledge of Windows Server and Desktop operating system administration
  • Knowledge of VMware virtualization technologies
  • Knowledge of vulnerability compliance solutions including WSUS, SCCM, Splunk, ACAS, SCAP, HBSS, or NESSUS

Lockheed Martin Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Lockheed Martin and has not been reviewed or approved by Lockheed Martin.

  • Retirement Support — Retirement benefits are described as a standout element, with a strong 401(k) program and options like an employee stock purchase plan. Feedback suggests these features meaningfully enhance total compensation and long‑term financial security.
  • Healthcare Strength — Healthcare coverage is portrayed as comprehensive from day one, with multiple plan options, mental health resources, and virtual care. Wellness supports such as on‑site services and preventive programs are also highlighted.
  • Flexible Benefits — Work arrangements often include compressed schedules and telework, contributing to a favorable work‑life balance. Feedback suggests this flexibility is a key reason many view the overall package positively.

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The Company
HQ: Bethesda, MD
108,588 Employees
Year Founded: 1912

What We Do

Customer Focus, Innovation and Purpose are Built Into Everything We Do. Lockheed Martin. Your Mission is Ours ™. Headquartered in Bethesda, Maryland, Lockheed Martin is a global security and aerospace company principally engaged in the research, design, development, manufacture, integration and sustainment of advanced technology systems, products and services.

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