M

ManTech

Government cybersecurity, analytics, and IT services

Network Engineer

Full-TimeUpdated on 10/20/2026
$114.6k - $190.2k
Senior
Bachelor's
Chantilly, VA, USA
In Person
IT OperationsNetwork Engineering & Administration
No H1B Sponsorship
US Top Secret Clearance Required

About the job

Requirements
  • A high school diploma or GED and at least 7 years of progressively responsible experience in Network Engineering, Network Analysis, or a related technical discipline.
  • Cisco Certified Network Associate (CCNA) certification or an equivalent routing and switching technical certification, such as Juniper Networks Certified Associate – Junos (JNCIA-Junos).
  • DoD 8570 IAT Level II certification, such as Security+.
  • DoD 8570.1 / DoD 8140.01 (IAT III Level) certification within 6 months of hire.
  • A current and active TS/SCI clearance.
  • Ability to remain stationary 50% of the time and occasionally move around the office to access equipment or communicate with coworkers, management, and customers, including through presentations.
Responsibilities
  • Perform Tier II and Tier III network engineering support while designing advanced WAN, LAN, and data center solutions.
  • Monitor and configure networks using SolarWinds, Cisco DNAC, and Cisco ISE to analyze complex network requirements and ensure functioning infrastructure.
  • Create, maintain, and interpret detailed technical network diagrams, routing topology schemas, and hardware configuration baselines.
  • Coordinate across internal teams, stakeholders, and Sponsor authorities to advance infrastructure agendas and 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.
Desired Qualifications
  • A bachelor's degree in an engineering discipline.
  • Experience using and administering SolarWinds, with deep knowledge of Microsoft Windows systems, HP SANs, and VMware products.
  • Advanced experience managing VPNs, GRE tunnels, routing protocols (BGP E/I and OSPF), VLANs, VRFs, and configuring KGs.
  • 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, and familiarity with NSTISSAM TEMPEST/2-95 and CNSSAM TEMPEST/01-13 guidelines.

About the company

M

ManTech

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Website

ManTech provides technology and security services to U.S. government agencies in defense, intelligence, and federal civilian sectors. It offers cybersecurity, data analytics, enterprise IT, systems engineering, software development, mission operations, logistics, security, and training through long-term government contracts. It differentiates itself with a government-focused, end-to-end capability set and a strong emphasis on national security work and specialized talent. Its goal is to help agencies modernize and protect critical infrastructure while pursuing sustainable growth and profitability.

Company Size

10,001+

Company Stage

Acquired

Total Funding

$19.8M

Headquarters

Herndon, Virginia

Founded

1968

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Simplify Jobs

Simplify's Take

What believers are saying

  • September 2, 2026 brought a $345 million Navy cyber and C3I task order.
  • July 2026 added a $197 million Navy radar modernization contract at NSWC Crane.
  • Leadership hires in August 2026 sharpen execution across cyber, digital, and AI services.

What critics are saying

  • ManTech still depends on U.S. defense spending and recompete timing for growth.
  • July 31, 2026 DHS overbilling findings intensify bid-protest and responsibility scrutiny.
  • Carlyle leverage and the proposed $2.15 billion term loan B constrain flexibility, especially during contract losses.

What makes ManTech unique

  • ManTech rebuilt its C-suite around Cyber, Data, AI, and Digital in 2026.
  • Carlyle ownership since 2022 funds faster acquisitions and technology repositioning.
  • ManTech wins recurring Navy, Army, and intelligence work inside entrenched contracting vehicles.

Help us improve and share your feedback! Did you find this helpful?

Benefits

  • Health Insurance
  • Life Insurance
  • Paid Time Off
  • Holiday Pay
  • Disability Insurance
  • Wellness Program

Growth & Insights and Company News

Headcount

6 month growth

2%

1 year growth

2%

2 year growth

2%
GovCon Wire
Aug 24th, 2026
MANTECH appoints Mark Roman as CTO of cyber practice.

MANTECH appoints Mark Roman as CTO of cyber practice. * MANTECH has chosen Mark Roman as chief technology officer of cyber practice * Roman has more than 20 years of experience, mostly in the U.S. Navy * MANTECH has been reorganizing its leadership team and appointing CTOs to different specializations In this role, Roman will oversee the technical direction, innovation strategy and delivery of cybersecurity capabilities supporting national security and federal government missions, the company said in a LinkedIn post on Friday. What are Mark Roman's professional credentials? Roman brings more than 20 years of experience in protecting military, industrial and critical infrastructure systems. He most recently served as executive director of MANTECH's cyber technologies unit. He joined MANTECH in 2021 from Gryphon Technologies, where he served as chief of cyber technologies. He also became a board member and external director of Securitas Critical Infrastructure Services. Roman held various roles in the U.S. Navy from 2003 to 2019. He was part of the carrier engineering team of cybersecurity engineering at the Naval Sea Systems Command. He later became manager of that unit. At the Philadelphia division of the Naval Surface Warfare Center, he was deputy systems engineering manager and later cybersecurity solutions architect. Roman's earlier experience in the NSWC was at the Carderock division in Maryland. He started as a junior engineer and became a senior system engineer. Outside military service, Roman served as an adjunct professor at two universities. Since 2018, he has been an adjunct professor of electrical and computer engineering at Rowan University in Glassboro, New Jersey. From 2018 to 2021, he was an adjunct professor of decision and systems sciences at Saint Joseph's University in Pennsylvania. What other executive appointments has MANTECH announced in August? Prior to Roman's selection as cyber practice CTO, MANTECH has made several changes to its executive leadership this month alone. The company appointed CTOs to different specializations, including Graham Katz as CTO of data and artificial intelligence practice and Douglas Orellana as CTO and vice president of digital practice. On Thursday, MANTECH promoted Steve Kapinos to chief cyber officer. Kapinos had been executive director for 7 years prior to his selection. On August 19, the company announced two new executive appointments: Christopher Copeland as chief innovation officer and Brian Keith as chief digital officer and vice president of digital practice.

GovCon Wire
Aug 21st, 2026
Graham Katz named CTO of MANTECH's data and AI practice.

Graham Katz named CTO of MANTECH's data and AI practice. * Katz has served as a MANTECH distinguished engineer since August 2024 * He spent nine years at IBM, most recently leading data and AI technical delivery for federal work * He previously headed Georgetown University's computational linguistics program Katz will lead teams delivering data and AI work for client missions, drawing on his expertise in generative AI, machine learning and data science. MANTECH is a sponsor of the Potomac Officers Club's 2026 Homeland Security Summit, set for Nov. 10 at the Ritz-Carlton in Tysons Corner, Virginia. Panels will take up AI and link analysis in investigative intelligence, building a federated DHS data and identity fabric, and edge capabilities for border operations, with agency decision-makers and industry leaders on the program. Register now to join the discussion. What is graham Katz's background? Katz brings more than 30 years of experience in AI and natural language processing, spanning research and development through software delivery. Before that, Katz spent nine years at IBM. He served most recently as technical delivery lead for data and AI in the company's Technology Expert Labs federal practice, overseeing projects covering entity resolution, automatic question answering, speech recognition and digital engineering. Katz headed the computational linguistics program at Georgetown University before joining IBM. He also worked as an applied research manager at CACI International and taught at Stanford University and the University of Osnabrück. He holds a doctorate in computational linguistics from the University of Rochester and a bachelor's degree in symbolic systems from Stanford. How does the appointment fit MANTECH's leadership buildout? Earlier this month, the company named Douglas Orellana chief technology officer and vice president of its digital practice. Orellana will lead work in intelligent engineering, cloud and tactical asymmetric systems. Orellana and Katz's roles fall within MANTECH's Technology and Capabilities Organization, established when Brandy Durham became chief technology officer in July. That organization covers data and AI, cybersecurity, and digital practices.

GovCon Wire
Aug 20th, 2026
MANTECH taps Steve Kapinos as chief cyber officer.

MANTECH taps Steve Kapinos as chief cyber officer. * Steve Kapinos has been promoted to chief cyber officer at MANTECH * Kapinos most recently served as MANTECH's vice president for cognitive cyber * MANTECH has announced several promotions in the past two months to bolster its technology leadership MANTECH announced Wednesday that it has promoted Steve Kapinos, its vice president for cognitive cyber, to chief cyber officer. Kapinos assumes an executive post overseeing the deployment and adoption of cyber capabilities to support mission operators operating in increasingly contested digital environments. What are Steve Kapinos' career credentials? Kapinos has been at MANTECH for almost 18 years, where he has led teams responsible for building and fielding cyber defense capabilities that safeguard client networks and systems. During his tenure, he also served as an adviser to the company's senior leadership on cyber policy matters affecting the business and its government customers. Before joining MANTECH, Kapinos worked briefly for Securicon as a senior security engineer. He also served as a network security engineer at M&T Bank from 2001 to 2005. Between 1998 and 2008, Kapinos became a consultant for companies including SAIC, Global Integrity/Predictive Systems and INS. What other organizational changes has MANTECH made? Kapinos is not the only new executive appointment MANTECH has announced this month. The company revealed Monday that it has named Christopher Copeland as chief innovation officer and Brian Keith as chief digital officer and vice president of digital practice. Copeland has 25 years of experience under his belt, including 2 years at MANTECH. Keith also has over 25 years of experience, with previous roles at IBM and Microsoft. Last month, MANTECH appointed Eric Brown as chief product officer. Brown was previously the company's chief innovation officer and senior vice president of innovation and capabilities. MANTECH also promoted Kristen Summers from vice president and technical fellow of data and artificial intelligence to chief data and AI officer. Summers' past companies include IBM, where she was a distinguished engineer and AI chief technology officer for data and AI expert labs and learning, and CACI, where she spent 15 years as technical director. Earlier in her career, Summers was a research engineer at Thomson Corp.

GovCon Wire
Aug 19th, 2026
Parsons wins potential $665M Army IDIQ for technical, logistics support.

Parsons wins potential $665M Army IDIQ for technical, logistics support. * Four companies bid after the Army solicited 17 * Work locations and funding will be set at the order level * Army Contracting Command at Redstone Arsenal is the contracting activity Parsons Government Services has won an indefinite-delivery/indefinite-quantity contract worth up to $664.8 million to provide technical, logistics and program management support to the Army, the Department of War announced Monday. Army Contracting Command at Redstone Arsenal, Alabama, is the contracting activity. The multiyear award is a time-and-materials contract. The Army solicited 17 bids and received four. Work locations and funding will be determined with each order, and the estimated completion date is July 11, 2031. As the Department of War continues to award large, multiyear technical and program management contracts across the services, the Potomac Officers Club's 2026 Navy Summit on Aug. 27 offers a look at how similar opportunities are unfolding within the Navy's record FY27 budget request. Save your seat now! What other Army Work does Parsons hold? Parsons received a potential five-year, $125 million task order in February covering research, development and technical services for the Combat Capabilities Development Command Army Research Laboratory, or DEVCOM ARL. The recompeted award requires test and evaluation, project management, and infrastructure operations support. How did Parsons perform in the second quarter? Parsons reported $1.6 billion in second-quarter revenue, down 1 percent year over year. The company closed the quarter with a total backlog of $9.3 billion and a book-to-bill ratio of 1.2x on net bookings of $1.9 billion. Barry Tanner is now permanent DON CIO and headlines POC's 2026 Navy Summit on Aug. 27, his first public appearance... MANTECH has named tech industry veteran Christopher Copeland chief innovation officer and Navy veteran Brian Keith as digital chief. Former Bell supply chain executive Michael Loeffler will lead BAE Systems Inc.'s supply chain organization.

GovCon Wire
Aug 17th, 2026
Peraton wins potential $280M DISA capacity services communications III IDIQ.

Peraton wins potential $280M DISA capacity services communications III IDIQ. * Peraton has won a DISA IDIQ contract for enterprise communications support * The single-award vehicle carries a $100 guaranteed minimum and runs through 2036 * The 2026 Navy Summit will explore AI, digital engineering and more As the Department of War advances modernization across its networks and technology infrastructure, the Potomac Officers Club will host the 2026 Navy Summit, its final DOW summit of 2026, on Aug. 27. Military, government and industry leaders will discuss artificial intelligence, digital engineering, autonomous systems, enterprise network modernization, shipbuilding and other priorities shaping the future maritime force. Sign up now to join the conversation. According to an award notice published Friday, DISA conducted a competitive solicitation through SAM.gov and received three proposals for the single-award, indefinite-delivery/indefinite-quantity contract. What Is the Scope of the CSC III Contract? Peraton will support DISA and non-DISA sites worldwide under the recompete, providing an on-demand communications capability built to adjust to changes in DISA's requirements rather than a fixed equipment set, according to a solicitation According to a solicitation issued in February, the scope of the CSC III contract includes hardware, operating software, storage, network management tools and software, and automation tools and software, along with the technical services needed to give DISA flexibility across security, availability and modernization of its communication infrastructure for data centers and hybrid-cloud solutions. DISA's Defense Information Technology Contracting Organization at Scott Air Force Base in Illinois is the contracting activity for the firm-fixed-price award, which carries a guaranteed minimum of $100 to be satisfied through a task order using defense working capital funds. The total ceiling value of all orders placed against the recompete contract will not exceed $279.9 million, and performance is expected to run through Aug. 14, 2036. What other contracts has Peraton recently secured? Peraton has also secured an other transaction authority agreement from Naval Sea Systems Command to modernize how the Navy's explosive ordnance disposal community develops and manages technical publications. Beyond contract awards, Peraton has expanded its technology offerings with the launch of an enterprise agentic AI platform designed to support government agencies and organizations operating in mission-critical environments. Douglas Orellana previously served as VP of both intelligent engineering and intelligent systems engineering at MANTECH. Integrity Technologies is a North Dakota-based telecommunications company. Brooks Consulting's Chuck Brooks, a GovCon Expert, examines DOW's sweeping reorganization of its defense innovation ecosystem.