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Computer Network Security Jobs (NOW HIRING)

ManTech

Computer Network Architect

Belcamp, MD

$83K - $139K/yr

The Computer Network Architect will work in support of the Army for the Network Modernization ... Ensure network security and performance optimization. * Collaborate with other IT teams to analyze ...

ManTech

Computer Network Architect

Belcamp, MD

$83K - $139K/yr

The Computer Network Architect will work in support of the Army for the Network Modernization ... Ensure network security and performance optimization. * Collaborate with other IT teams to analyze ...

ManTech

Computer Network Architect

Belcamp, MD · On-site

$83K - $139K/yr

The Computer Network Architect will work in support of the Army for the Network Modernization ... Ensure network security and performance optimization. * Collaborate with other IT teams to analyze ...

ManTech International

Computer Network Architect

Belcamp, MD · On-site

$83K - $139K/yr

General information Requisition # R63172 Locations USA-MD-Belcamp Posting Date 09/09/2025 Security ... MANTECH seeks a motivated, career and customer-oriented Computer Network Architect to join our team ...

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Computer Network Security information

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How much do computer network security jobs pay per year?

As of Jun 12, 2026, the average yearly pay for computer network security in the United States is $124,948.00, according to ZipRecruiter salary data. Most workers in this role earn between $104,500.00 and $143,000.00 per year, depending on experience, location, and employer.

What are some common challenges faced by professionals in Computer Network Security roles?

Professionals in Computer Network Security often face the challenge of staying ahead of constantly evolving cyber threats and attack techniques. Balancing proactive security measures with user accessibility and business needs can be difficult, as security protocols must not hinder workflow. Additionally, responding to incidents quickly and effectively—often outside of regular hours—requires strong organizational skills and teamwork, as collaboration with IT, management, and sometimes law enforcement is common. Continuous learning and upskilling are essential to remain effective in this dynamic field.

What is computer network security?

Computer network security refers to the policies, practices, and technologies used to protect the integrity, confidentiality, and accessibility of computer networks and data. It involves defending networks against unauthorized access, misuse, or cyberattacks, such as viruses, malware, and hacking attempts. Network security professionals implement firewalls, encryption, intrusion detection systems, and other tools to monitor and safeguard information. Maintaining strong network security is essential for businesses and individuals to prevent data breaches and ensure reliable communication.

What is the difference between Computer Network Security vs Network Administrator?

AspectComputer Network SecurityNetwork Administrator
CertificationsCompTIA Security+, CISSP, CEHCompTIA Network+, Cisco CCNA
Work EnvironmentFocus on security protocols, threat mitigation, and vulnerability assessmentsManage network infrastructure, configure hardware, and ensure network connectivity
Employer & Industry UsageUsed across IT security firms, corporate security teams, government agenciesCommon in IT departments of various organizations, telecom, and service providers

While both roles involve working with networks, Computer Network Security specialists focus on protecting networks from threats and vulnerabilities, whereas Network Administrators manage and maintain the overall network infrastructure. Both roles often collaborate but have distinct primary responsibilities.

What are the key skills and qualifications needed to thrive as a Computer Network Security professional, and why are they important?

To thrive in Computer Network Security, you need a solid understanding of networking principles, threat analysis, and security protocols, typically supported by a degree in computer science or a related field. Proficiency with firewalls, intrusion detection systems, vulnerability assessment tools, and certifications such as CISSP or CompTIA Security+ is highly valued. Strong analytical thinking, problem-solving abilities, and effective communication skills help professionals respond swiftly to threats and collaborate across teams. These skills are essential for safeguarding organizational data, maintaining system integrity, and ensuring compliance with security standards.
What cities are hiring for Computer Network Security jobs? Cities with the most Computer Network Security job openings:
What states have the most Computer Network Security jobs? States with the most job openings for Computer Network Security jobs include:
Infographic showing various Computer Network Security job openings in the United States as of June 2026, with employment types broken down into 1% As Needed, 81% Full Time, 14% Part Time, 3% Contract, and 1% Nights. Highlights an 94% Physical, 2% Hybrid, and 4% Remote job distribution, with an average salary of $124,948 per year, or $60.1 per hour.
Computer Network Architect

Computer Network Architect

ManTech International

Belcamp, MD • On-site

$83K - $139K/yr

Full-time

Medical, Life, Retirement, PTO

Posted 18 days ago

ManTech rating

8.8

Company rating: 8.8 out of 10

Based on 13 frontline employees who took The Breakroom Quiz

32nd of 188 rated software companies

Job description

General information
Requisition #
R63339
Locations
USA-MD-Belcamp
Posting Date
09/17/2025
Security Clearance Required
Secret
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 Computer Network Architect to join our team in Belcamp, MD. This is an onsite position.
The Computer Network Architect will work in support of the Army for the Network Modernization & Mission Network Technical Service Support program (NetMod). NetMod sets forth the work efforts required to provide product technical support services for systems and equipment being produced, fielded, modified or supported by PdM Network Modernization (NetMod) and PdM Mission Network of the Project Manager (PM) Tactical Network (TN) of the Program Executive Office for Command Control and Communications-Tactical (PEO C3T). This support may also include future systems and equipment that is acquired for the Army to maintain its technological advantage.
Job responsibilities include but are not limited to:
  • Responsible for designing, planning, and implementing computer networks.
  • Assess NETMOD business needs to create efficient data communication systems by utilizing hardware and software components like routers, switches, and firewalls.
  • Ensure network security and performance optimization.
  • Collaborate with other IT teams to analyze network traffic, identify potential issues, and propose upgrades to maintain optimal network functionality.
  • Must be capable of demonstrating experience in conducting analysis and developing solutions and in the application of information technology
  • Producing and reviewing technical documentation reflecting detailed knowledge of specific technical area
  • Recommending measures to improve methods, performance, and quality of product or service
  • Create detailed network blueprints, including LANs (Local Area Networks), WANs (Wide Area Networks), and intranets, considering factors like bandwidth requirements, security protocols, and scalability.

Basic Qualifications:
  • Bachelor's of Science and 10+ years of relevant experience as a Computer Network Architect.
  • 5+ years in the Department of Defense supporting computer networking technologies highly preferred.
  • Professional certifications such as CCNP, CCNA, and VCP-NV.
  • Experience performing simulations and capacity planning to predict future network needs and identify potential bottlenecks.
  • Experience researching and recommending appropriate network hardware (routers, switches, firewalls) and software (network management tools) to meet business requirement.
  • Requires foundational understanding of network protocols (TCP/IP, UDP, MPLS).

Preferred Qualifications:
  • Experience with network automation and scripting.
  • Experience in network design principles, including routing protocols (BGP, OSPF).
  • Experience with monitoring network performance, identifying and resolving network issues, and implementing necessary upgrades.

Clearance Requirements:
  • Must have a current/active Secret clearance.

Physical Requirements:
  • Must be able to remain in a stationary position 50% of the time.
  • Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.
  • Frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations.

The projected compensation range for this position is $83,300.00-$139,800.00. 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.

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