Network Engineer

ManTech International Corp

MD

JOB DETAILS
SALARY
$104,200–$172,900 Per Year
SKILLS
Ansible, BGP Routing Protocol, BICSI (Building Industry Consulting Service International), Best Practices, CCNA - Cisco Certified Network Associate, Cisco Network Systems, Cost Engineering, Cost Estimates, Customer Relations, Ethernet Cable, Federal Contracts, Federal Government, Functional Analysis, GRE (Generic Routing Encapsulation), Government Contracts, Hardware Configuration Management, Hewlett-Packard Systems, High School Diploma, Information Technology & Information Systems, JNCIA - Juniper Networks Certified Internet Associate, Juniper Networks Product Family, Local Area Network (LAN), Microsoft Windows Operating System, Network Architecture/Engineering, Network Configuration Management, Network Monitoring, Network Operations Center, Network Performance/Analysis, Network Routing, Network Support, Network Switching, Office Equipment, Open Shortest Path First Protocol (OSPF), People Management, Performance Tuning/Optimization, Presentation/Verbal Skills, Process Improvement, Production Systems, Requirements Management, Sensitive Compartmented Information (SCI), Storage Area Network (SAN), Systems Engineering, TEMPEST, Technical Drawing, Top Secret Clearance, Topology, United States Department of Defense (DoD), VLAN (Virtual Local Area Network), VMWare, VPN (Virtual Private Network), Wide Area Network (WAN)
LOCATION
MD
POSTED
30+ days ago

General information

Requisition #

R68770

Locations

USA-MD-Joint Base Andrews

Posting Date

06/22/2026

Security Clearance Required

TS/SCI

Remote Type

Onsite

Time Type

Full time

Description & Requirements

Shape the future of defense with MANTECH! Join a team dedicated to safeguarding our nation through advanced tech and innovative solutions. Since 1968, we've been a trusted partner to the Department of Defense, delivering cutting-edge projects that make a real impact. Dive into exciting opportunities in Cybersecurity, IT, Data Analytics and more. Propel your career forward and be part of something extraordinary. Your journey starts now-protect and innovate with MANTECH!

MANTECH seeks a motivated, career and customer-oriented Network Engineer to join our team in Joint Base Andrews, MD. This is an onsite position.

Responsibilities include but are not limited to:

  • Perform Tier II and Tier III network engineering support, while designing advanced WAN, LAN, and data center solutions.

  • Monitor and configure networks utilizing SolarWinds, Cisco DNAC, and Cisco ISE to analyze complex network requirements and ensure complete, functioning infrastructure.

  • Create, maintain, and interpret highly detailed technical network diagrams, routing topology schemas, and robust hardware configuration baselines.

  • Coordinate across large internal teams, stakeholders, and Sponsor authorities to drive infrastructure agendas and successfully navigate systems engineering processes.

  • Participate in all phases of the ITIL Service Lifecycle, including submitting Change Requests and maintaining security event monitoring policies.

  • Evaluate current network architectures, inventory complex routing pathways, and recommend process improvements to optimize performance and throughput.

  • Deliver end-to-end functional analysis, requirements specification, cost estimation, and engineering package releases for customer production IT environments.

Minimum Qualifications:

  • High School Diploma or GED with 7+ years of progressively responsible experience in Network Engineering, Network Analysis, or a related technical discipline

  • Cisco Certified Network Associate (CCNA) certification, or equivalent routing/switching technical certification, ex., Juniper Networks Certified Associate - Junos (JNCIA-Junos)

  • DoD 8570.1 / DoD 8140.01 (IAT III Level) certification, ex., SecurityX, CCNP, CISA, CASP+ or CISSP

Preferred Qualifications:

  • Bachelors degree in an engineering discipline

  • Experience using and administering SolarWinds alongside deep knowledge of Microsoft Windows Systems, HP SANs, and VMware products

  • Advanced experience managing VPNs, GRE tunnels, routing protocols (BGP E/I, OSPF), VLANs, VRFs, and configuring KGs

  • Strong familiarity with Cisco ACI, data center fabric best practices, Ansible, and Desired State Configuration (DSC)

  • Practical knowledge of BICSI standards, terminating fiber and Cat 5 cabling, as well as familiarity with NSTISSAM TEMPEST/2-95 and CNSSAM TEMPEST/01-13 guidelines

Clearance Requirements:

  • Must have a current and active TS/SCI clearance.

Physical Requirements:

  • The person in this position must be able to remain in a stationary position 50% of the time. Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations.

The projected compensation range for this position is $104,200.00-$172,900.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. In addition, MANTECH invests in its employees beyond just compensation. MANTECH's benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.

MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.

If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.

About the Company

M

ManTech International Corp

Our Mission Our mission is empowering our nation through a diverse and skilled workforce securely delivering innovative technology, consulting services and digital solutions for our customers’ mission success, every day. Our Vision Our vision is Securing the Future as the most trusted partner for U.S. Defense, Intelligence and Federal Civilian customers through the power of One ManTech. When these agencies think of an essential partner for their national and homeland security needs, they think ManTech. Our Values Our values are grounded in a bedrock of truth, integrity and caring for each other and the mission. We hold steadfast to: • TRUST – We earn and protect the trust of our customers, employees and investors through an enduring foundation of respect, fairness, credibility and honoring our commitments, always. • INCLUSION – We are an inclusive, diverse and talented workforce with a passion for mission success, intellectual capital, creativity and integrity. Our high ethical standards and investment in our people build confidence with our customers. • QUALITY– We deliver exceptional quality to customers through differentiated technology solutions and an uncompromising focus on excellence, value and innovation.
COMPANY SIZE
5,000 to 9,999 employees
INDUSTRY
Other/Not Classified
FOUNDED
1968
WEBSITE
https://www.mantech.com/about