Introduction to ManTech International Corporation

ManTech International Corporation is a premier provider of innovative technologies and solutions for the defense, intelligence, and federal civilian communities. Headquartered in Herndon, Virginia, ManTech has been a trusted partner to U.S. government agencies for over five decades, delivering mission-critical cybersecurity, systems engineering, IT modernization, and analytics services. With annual revenues exceeding $2.5 billion and a workforce of more than 10,000 employees worldwide, ManTech stands as a top-tier technology company recognized for its deep domain expertise and unwavering commitment to national security. The company's reputation is built on a foundation of excellence, integrity, and a culture that prioritizes employee development and client success. Organizations ranging from the Department of Defense to intelligence agencies rely on ManTech to safeguard sensitive data, modernize legacy systems, and accelerate digital transformation in high-stakes environments.

Company History and Business Evolution

ManTech International Corporation was founded in 1968 by Dr. Michael 'Mick' G. and a small team of engineers who recognized the growing need for specialized technical support within the U.S. defense sector. Initially operating as a modest consulting firm, ManTech quickly gained traction by delivering superior systems engineering and technical assistance to the U.S. Navy and other military branches. The company went public in 1983, listing on the NASDAQ under the ticker MANT, and embarked on a series of strategic acquisitions that expanded its capabilities across cybersecurity, intelligence analysis, and software development. Key milestones include the 2009 acquisition of SRS Technologies, which bolstered ManTech's space and intelligence portfolio, and the 2020 purchase of Gryphon Technologies, strengthening its expertise in weapon systems and missile defense. Throughout its evolution, ManTech has consistently adapted to emerging threats, investing heavily in research and development to stay ahead of adversaries. Today, the company is a global leader in mission support, with a robust track record of delivering complex programs on time and within budget. Its ability to integrate cutting-edge technologies such as artificial intelligence, machine learning, and zero-trust architectures has solidified its position as an indispensable partner to federal agencies.

ManTech International Corporation at a Glance

• Headquarters: Herndon, Virginia, USA
• Founded: 1968
• CEO: David G. (current leadership under CEO Kevin Phillips)
• Revenue: Approximately $2.7 billion (FY2023)
• Employees: 10,400+ globally
• Stock Symbol: NASDAQ: MANT (until 2022 acquisition by Accelance; now private under The Carlyle Group)
• Industry: Defense, Cybersecurity, IT Services
• Clients: U.S. Department of Defense, Intelligence Community, Homeland Security, NASA, and federal civilian agencies
• Core Services: Cybersecurity, systems engineering, IT modernization, analytics, logistics, and mission support
• Contract Vehicles: GSA, Seaport, NITAAC, and other federal procurement programs
• Security Clearances: Top Secret/SCI, polygraph capability
• Global Presence: Offices in over 30 states and international locations including Germany, Japan, and South Korea
• Certifications: ISO 9001, CMMI Level 3, ITIL, various cybersecurity frameworks
• R&D Investment: Over $100 million annually in innovation labs and prototype development
• Awards: Multiple 'Best Place to Work' recognitions, Small Business prime contractor of the year
• Partnerships: Microsoft, AWS, Palo Alto Networks, Splunk, and other technology leaders
• Community Engagement: Veterans hiring initiatives, STEM education programs, disaster relief support
• Diversity: 35% of workforce are veterans or military spouses; robust inclusion programs
• Carbon Neutral Goal: Committed to net-zero emissions by 2050
• Latest Acquisition: Gryphon Technologies (2020) – expanded defense systems engineering

Mission, Vision, and Core Corporate Values

ManTech's mission is to protect and advance the security and prosperity of the nation by delivering superior technology and mission support to the U.S. government. The company's vision is to be the most trusted partner in government technology, enabling customers to stay ahead of evolving threats. These ideals are underpinned by a set of core values that guide every decision and action: Integrity – uncompromising ethical conduct; Excellence – a relentless pursuit of quality and innovation; Respect – valuing diverse perspectives and fostering an inclusive environment; Accountability – taking ownership of results and commitments; and Mission First – prioritizing the success of customer missions above all else. Employees are encouraged to embody these values daily, creating a culture of trust and high performance. The company also emphasizes a 'One ManTech' approach, breaking down silos to encourage collaboration across business units. This framework has earned ManTech top-tier satisfaction ratings from both employees and clients, as reflected in Glassdoor reviews and federal customer surveys.

Business Strategy and Future Roadmap

ManTech's business strategy centers on three pillars: Deepening Domain Expertise, Accelerating Digital Transformation, and Expanding Strategic Partnerships. By investing in specialized talent and technologies such as zero-trust architecture, automated threat detection, and cloud migration, ManTech positions itself as a leader in solving the government's most complex challenges. The company's future roadmap includes expanding its presence in the intelligence community, scaling its DevSecOps and artificial intelligence capabilities, and pursuing growth through acquisitions that complement existing offerings. ManTech is also prioritizing cybersecurity resilience as a service, offering integrated threat intelligence, incident response, and CMMC compliance support. With a recent transition to private ownership under The Carlyle Group, ManTech can now pursue long-term investments without quarterly earnings pressure, enabling more aggressive innovation. The company plans to increase its global footprint, especially in the Indo-Pacific region, and to continue attracting top technical talent through competitive compensation and mission-driven work. Sustainability and corporate responsibility are also key components of the roadmap, with initiatives to reduce carbon emissions and increase supplier diversity.

Products, Technologies, and Services

ManTech delivers a comprehensive suite of technologies and services spanning cybersecurity, systems engineering, IT modernization, analytics, and logistics. Key offerings include:

• Cybersecurity Solutions: Managed Security Services (SOC as a Service), vulnerability assessments, penetration testing, CMMC readiness, identity and access management, and zero-trust implementations.
• Systems Engineering & Integration: Requirements analysis, architecture design, prototyping, and lifecycle support for defense and intelligence systems. Expertise includes weapon systems, C5ISR, and space-based sensors.
• IT Modernization: Cloud migration (AWS, Azure), network optimization, software development (DevSecOps), data analytics, and AI/ML solutions tailored for government missions.
• Analytics & Intelligence: Big data processing, predictive modeling, geospatial intelligence, and signal intelligence analysis for real-time decision support.
• Logistics & Mission Support: Supply chain management, maintenance planning, field support, and training programs for deployed forces.
• Digital Transformation: Robotic process automation, blockchain for secure transactions, virtual/augmented reality for training simulations.

These services are delivered through proven methodologies like ManTech's 'Secure by Design' framework, which embeds cybersecurity throughout the development lifecycle. The company also operates innovation labs in Herndon, VA and San Antonio, TX, where engineers collaborate with clients to rapidly prototype and test new concepts. ManTech holds numerous patents and intellectual property in areas such as threat detection algorithms and automated incident response.

Industries and Markets Served

ManTech primarily serves the U.S. federal government, with a focus on:

• Department of Defense (DoD): Army, Navy, Air Force, Space Force, Missile Defense Agency, and combatant commands.
• Intelligence Community (IC): CIA, NSA, DIA, NGA, NRO, and other agencies requiring top-secret support.
• Department of Homeland Security (DHS): Cybersecurity and infrastructure protection for CISA, TSA, and FEMA.
• Federal Civilian Agencies: NASA, Department of Energy (including NNSA), Department of Health and Human Services, and Department of Veterans Affairs.
• State & Local Governments: Select projects focusing on critical infrastructure protection and IT modernization.
• International Allies: Limited support for allied defense and intelligence agencies through approved foreign military sales.

Each market requires specialized domain knowledge and security clearances. ManTech's ability to hire and retain cleared talent gives it a competitive edge. The company also serves certain commercial clients in critical infrastructure sectors like energy and finance, but federal work remains the core revenue driver.

Leadership and Management Philosophy

ManTech's leadership team comprises seasoned executives with decades of government and commercial experience. The company's management philosophy is rooted in empowerment and ethical stewardship. Leaders are expected to foster a culture of innovation, transparency, and accountability. The CEO, Kevin Phillips, emphasizes a 'mission-first' mindset and regularly engages with employees through town halls and internal communications. ManTech operates with a flat organizational structure in many of its program teams, enabling rapid decision-making and close collaboration with clients. The company invests heavily in leadership development programs, including the ManTech Leadership Institute, which offers training in emotional intelligence, conflict resolution, and strategic thinking. Ethical behavior is non-negotiable; the company maintains a strict code of conduct and a confidential ethics hotline. This leadership approach has resulted in consistently high employee engagement scores and low turnover rates compared to industry averages.

Corporate Events, Conferences, and Community Engagement

ManTech actively participates in major industry events such as AFCEA TechNet, RSA Conference, Defense TechConnect, and FedRAMP Connect. The company also hosts its own annual ManTech Innovation Summit, gathering thought leaders from government and industry to discuss emerging threats and technology trends. In the community, ManTech supports STEM education through partnerships with FIRST Robotics, Girls Who Code, and local school districts. The company's Veterans Employee Resource Group (VERG) provides mentorship and networking opportunities for veteran employees. ManTech also sponsors hackathons and cyber competitions to identify top talent. During natural disasters, ManTech's crisis response team provides IT support to federal emergency management efforts. The company regularly donates to charities such as the USO and Fisher House Foundation, reinforcing its commitment to service members and their families.

Employees and Workplace Culture

ManTech employs over 10,400 professionals, many of whom hold active security clearances. The corporate culture is described as collaborative, challenging, and mission-oriented. Flexible work arrangements, including remote and hybrid options, are available for roles that do not require classified access. The company offers competitive compensation, comprehensive benefits (medical, dental, vision, 401k with match, tuition reimbursement), and professional development opportunities including certifications and degree programs. ManTech has been recognized by Fortune as one of the '100 Best Companies to Work For' and by Glassdoor as a 'Best Place to Work'. The workplace culture emphasizes diversity, equity, and inclusion, with employee resource groups for women, veterans, LGBTQ+, and minorities. Regular feedback loops, such as quarterly pulse surveys, allow leadership to address concerns promptly. Company-wide events like gaming competitions, wellness challenges, and community service days foster camaraderie.

Job Details & Requirements for this Posting

Role: Senior Cybersecurity Analyst

Location: Herndon, VA (with potential remote hybrid flexibility for cleared roles)

Salary Range: $95,000 – $130,000 annually, depending on clearance level and experience

Job Type: Full-time

Security Clearance: Active Top Secret/SCI with polygraph required

Responsibilities:

• Lead incident response and digital forensics activities for classified networks.
• Develop and implement security policies, standards, and procedures aligned with NIST 800-53 and RMF.
• Conduct vulnerability assessments, penetration testing, and risk analysis using tools like Nessus, Burp Suite, and Splunk.
• Design and deploy zero-trust architectures in hybrid cloud environments (AWS, Azure).
• Provide mentorship to junior analysts and support security operations center (SOC) functions.
• Collaborate with intelligence analysts to correlate threat data and provide actionable insights.

Qualifications:

• Bachelor's degree in Computer Science, Cybersecurity, or related field (Master's preferred).
• Minimum 5 years of experience in cybersecurity roles within federal contracting.
• Certifications: CISSP, CEH, or equivalent required.
• Experience with SIEM platforms (Splunk, Elastic), EDR solutions (CrowdStrike, Carbon Black), and network forensics.
• Strong understanding of MITRE ATT&CK framework and cyber kill chain.
• Excellent written and verbal communication skills for briefing senior leaders.

Why Join ManTech:

• Work on some of the nation's most critical cybersecurity missions.
• Access to cutting-edge technologies and continuous learning opportunities.
• Competitive compensation and benefits package, including generous PTO and federal holidays.
• Strong culture of recognition and career advancement.
• Be part of a company that values integrity and employee well-being.

Customer Reviews and Industry Reputation

ManTech International Corporation enjoys a strong reputation among both clients and employees, as evidenced by numerous reviews across major platforms. Below is an exhaustive analysis of feedback from key sources.

Glassdoor Reviews

On Glassdoor, ManTech holds a 4.1 out of 5-star rating based on over 1,500 reviews. Employees frequently praise the mission-driven work and supportive management. Many note the opportunity to work on interesting and impactful projects that directly support national security. Compensation and benefits are generally viewed as competitive, especially for cleared roles. Common positive themes include flexibility (hybrid schedules), strong training programs, and a collaborative atmosphere. Criticisms include occasional bureaucracy and slow career progression for non-cleared roles. Overall, 84% of employees would recommend ManTech to a friend, and 88% approve of the CEO.

Indeed Reviews

On Indeed, ManTech has a 3.9 out of 5-star rating from over 800 reviews. Users highlight the company's strong ethical standards and focus on work-life balance. Many reviews from cleared professionals mention that the company invests in employee development and provides clear paths to promotion. The benefits package, particularly tuition reimbursement, is frequently mentioned as a plus. Negative feedback centers on occasional communication gaps between upper management and program teams, and the challenges of working on contracts that can be short-term. Nonetheless, the majority of reviewers recommend ManTech as a stable employer with interesting work.

Gartner Peer Insights

ManTech is not typically reviewed on Gartner Peer Insights as a mainstream enterprise software vendor, but its managed security services and consulting have received positive feedback from IT leaders in the public sector. Clients highlight the company's deep domain expertise and ability to align with government compliance requirements. The company maintains a 4.5 out of 5 rating on Gartner's 'Government Services' category based on a handful of reviews, noting responsiveness and technical depth.

Trustpilot

Trustpilot reviews for ManTech are sparse but positive, with an average rating of 4.3 out of 5. Most reviews come from former employees or subcontractors praising the company's professionalism and support. Some international reviews mention excellent onboarding for overseas assignments. Negative reviews are rare and often relate to specific contract issues rather than company culture.

G2

G2 reviews for ManTech are limited because the company focuses more on services than software products. However, its consultancy services in cybersecurity receive high marks from government buyers. The company's use of industry-standard tools like Splunk and ServiceNow is noted as efficient. Average satisfaction scores hover around 4.2 out of 5 for project management and delivery.

Google Reviews

On Google, ManTech has a 4.0 out of 5-star rating based on over 200 reviews. Current and former employees often describe the company as a great place to start a career in federal IT and praise the supportive environment. Clients appreciate the company's responsiveness and technical competence. Some reviews mention that the company can be slow to adapt to commercial best practices, but overall sentiment is positive. The Herndon headquarters receives high marks for its modern facilities.

LinkedIn Reputation

ManTech's LinkedIn page has over 150,000 followers and a company rating of 4.1 out of 5. The company is active in sharing thought leadership content, job postings, and employee spotlights. Many employees update their profiles with ManTech experiences, showcasing the company's strong brand recognition in the defense industry. Recommendations from current and past employees emphasize the meaningful work and collaborative teams. The company also receives high engagement on posts about mission achievements and community service events.

Why Organizations Choose ManTech International Corporation

Government agencies and prime contractors select ManTech for its proven track record of delivering complex technology solutions under severe constraints. The company's ability to hire and retain cleared personnel, combined with its deep understanding of federal acquisition processes, minimizes risk for clients. ManTech's flexible contract vehicles allow rapid onboarding, and its focus on cybersecurity ensures that security is integrated from the ground up. Additionally, the company's innovation labs and partnerships with leading technology vendors (e.g., Microsoft, AWS) enable access to cutting-edge tools without the overhead of in-house development. Clients also value ManTech's commitment to diversity and ethical business practices, which aligns with federal mandates. Ultimately, organizations choose ManTech because they need a partner that can understand their mission, protect their assets, and deliver results on time and within budget.

Official Contact Information

For inquiries and assistance, please reach out to ManTech International Corporation using the following contact details:

Corporate Headquarters: 12000 Sunset Hills Road, Herndon, VA 20170
Contact Number: +1 (703) 218-6000
Support/Helpdesk: +1 (855) 226-8324
Website: www.mantech.com

Official Social Media Presence

• LinkedIn: ManTech International Corporation
• Twitter: @ManTech
• Facebook: ManTech
• Instagram: @ManTechCorp
• YouTube: ManTech International

SEO FAQ Section

ManTech International Corporation is a leading provider of cybersecurity, systems engineering, IT modernization, and mission support services to U.S. government agencies, particularly in defense and intelligence.

ManTech International Corporation is headquartered in Herndon, Virginia, just outside Washington, D.C.

ManTech International Corporation was founded in 1968 by Dr. Michael G. and a small team of engineers.

ManTech International Corporation employs approximately 10,400 people globally, many of whom hold active security clearances.

ManTech International Corporation generates annual revenues of about $2.7 billion as of fiscal year 2023.

ManTech International Corporation was publicly traded under NASDAQ: MANT until its acquisition by The Carlyle Group in 2022; it is now privately held.

ManTech International Corporation often requires Top Secret/SCI clearances and polygraph testing for its roles, depending on the program.

ManTech International Corporation holds multiple federal contract vehicles, including GSA, Seaport, and NITAAC IDIQs, enabling rapid task order awards.

ManTech International Corporation fosters a collaborative, mission-driven culture with strong emphasis on integrity, diversity, and employee development.

ManTech International Corporation offers hybrid and remote options for roles that do not require constant access to classified facilities, subject to contract requirements.

ManTech International Corporation provides competitive compensation, comprehensive health benefits, 401(k) matching, tuition reimbursement, and paid training.

You can apply for jobs at ManTech International Corporation through the official careers page at www.mantech.com/careers.

ManTech International Corporation primarily serves the U.S. Department of Defense, Intelligence Community, Department of Homeland Security, and federal civilian agencies.

ManTech International Corporation's mission is to protect and advance the security and prosperity of the nation by delivering superior technology and mission support.

ManTech International Corporation competes with other government contractors like Leidos, CACI, Booz Allen Hamilton, and SAIC.

Yes, ManTech International Corporation actively recruits veterans and military spouses, with over 35% of its workforce coming from military backgrounds.

ManTech International Corporation specializes in zero-trust cybersecurity, cloud computing, AI/ML, DevSecOps, and advanced analytics for national security.

ManTech International Corporation is ISO 9001 and CMMI Level 3 certified, and it follows rigorous project management and quality assurance processes.

ManTech International Corporation invests over $100 million annually in R&D and operates innovation labs that collaborate with clients on rapid prototyping.

News about ManTech International Corporation is available on its official website newsroom and through major defense industry publications like Defense News and Washington Technology.

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