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Network Security Engineer

Arlington,VA

1939 Network Security Engineer jobs in Arlington,VA

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Security Systems Engineer / Infrastructure Engineer

Johnson Controls

Washington, DC 20011

Hybrid~ 11 minUrgently HiringPaid Time Off

  • Must be based in the Washington D.C. Metro / Baltimore area (MD/DC/VA)
  • Strong technical knowledge with Windows Server administration, network integration, and security system infrastructure.
  • Ability to take new or partially configured environments and perform the setup, integration, troubleshooting, testing, and documentation necessary to place the system into operation
  • Experience working with Windows Server 2022 and Windows Server 2025
  • Experience working with the installation, configuration, and administration of Active Directory Domain Services (AD DS)
  • Ability to configure and troubleshoot network server, connectivity, and physical security system hardware and software issues, both in person and over the phone
  • Ability to work with network engineers to configure and validate authentication, authorization, and accounting for managed switches
  • Ability to troubleshoot communications between servers, network switches, controllers, workstations, and other IP-based security devices
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Network Security Automation Engineer

BOOZ, ALLEN & HAMILTON

McLean, VA 22101

RemoteEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

  • 5+ years of experience with network security or designing IT systems and networks for large commercial enterprises or government agencies
  • 3+ years of experience with firewalls, intrusion detection and prevention systems, network segmentation, boundary protection, or vulnerability assessment
  • Experience designing and securing cloud or enterprise network architectures
  • Experience with Palo Alto, Cisco, or Juniper firewalls
  • Experience automating infrastructure using an infrastructure-as-code framework such as AWS CDK, CloudFormation, or Terraform
  • Experience developing automation with TypeScript, Python, PowerShell, Bash, APIs, or orchestration tools
  • Experience with routing, switching, VPNs, security groups, network access controls, and traffic inspection
  • Experience using network monitoring, flow logs, and centralized logging to analyze traffic and troubleshoot connectivity and using Git, CI / CD workflows, and packet analysis tools such as Wireshark
  • HS diploma or GED
  • Ability to obtain a DoD 8570 IAT Level II Certification within 3 months of start date
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Network Security Engineer

ManTech

Chantilly, VA 20151

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Project Design Controls Engineer , Fleet Remediation Engineering, Fleet Remediation Engineering

Amazon Data Services

Herndon, VA 20171

Requires TravelHealth InsurancePaid Time OffRetirement Benefit

  • 4+ years of industrial or commercial engineering in mission critical facilities including but not limited to: data centers, power generation or oil and gas facilities experience
  • Bachelor's degree in Mechanical Engineering, Electrical Engineering, Controls Engineering, or related field, or 5+ years of equivalent experience in building automation systems (BMS) and/or electrical power monitoring systems (EPMS) design and deployment.
  • 2+ years of experience with data center or mission-critical facility control systems, including both BMS and EPMS platforms.
  • 2+ years of experience with HVAC systems, mechanical plant strategies, control programming concepts, low voltage electrical systems, and/or electrical distribution systems, one-line diagrams, and power monitoring.
  • Demonstrated ability to read, interpret, and create construction drawings, control diagrams, specifications, and submittal documents.
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Information Systems Security Engineer (ISSE)

BAE Systems

Sterling, VA 20166

~ 30 min OnsiteFlexible ScheduleHealth InsurancePaid Time OffRetirement Benefit

  • Minimum of Bachelor's Degree plus 7 years relevant experience
  • 5 years Information Assurance / Information System Security experience
  • Possess a DoD 8140 Cyber Workforce IAT Level II or IAM Level 1 certification
  • Experience in administration of mixed Windows and Linux environments
  • Experience using vulnerability scanning tools, such as Nessus
  • Knowledge of STIG compliance and vulnerability management
  • Knowledge of the complex environment involving shared networks and multiple security enclaves
  • Knowledge of engineering for Cyber engineering and integration services including security, authentication, identity management, authorization, and access control engineering
  • Self-starter able to work independently and build relationships with technical reps across divisions, comfortable with cyber security and able to brief issues to the customer
  • Over 5 years of experience working on Intelligence Community enterprise infrastructure and engineering programs
  • Knowledge of Cloud security controls and implementation
  • Ability to prioritize competing demands and complete tasks on schedule
  • Work as part of a team and independently without direct supervision
  • Understanding of the NIST 800-171 Risk Management Framework
  • Set and self-manage professional development & education goals
  • Single point of contact on all accreditation and continuous monitoring activities
  • Attend Security-related meetings with customer and external service providers
  • Create Body of Evidence (BOE) documentation in support of ConMon and system authorization packages
  • POA&M; development and implementation
  • Ensure implementation and validation of security controls that support the Risk Management Framework (RMF) and ICD 503 Security Accreditation
  • Ability to analyze technical content to determine if it meets the customer's defined security requirements
  • Outstanding written and oral communications skills
  • Listen and ask clarifying questions as needed
  • Speak in group settings
  • Draft clear, concise, and grammatically correct documentation
  • Maintain organized and complete records
  • Experience with information security operations and RMF processes
  • Experience with accreditation and continuous monitoring activities
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Network Integration Deployment Engineer

CyKor LLC

Washington, DC 20011

Remote

  • 3-7+ years of network engineering, network administration, or field deployment experience.
  • Hands-on experience with Cisco or comparable enterprise networking technologies.
  • Strong understanding of TCP/IP, VLANs, routing, switching, subnetting, DHCP, DNS, VPNs, and network security.
  • Experience troubleshooting network infrastructure using industry-standard tools.
  • Ability to read network diagrams, rack elevations, cable schedules, and technical implementation documentation.
  • Experience supporting DoD, Federal, maritime, tactical, or other mission-critical environments preferred.
  • Familiarity with DISA STIGs, RMF, cybersecurity controls, and DoD network standards preferred.
  • Ability to travel frequently and work in customer or operational environments.
  • An active Secret clearance.
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AWS Cloud Security Engineer

Insight Global

Reston, VA 22096

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System Engineer (SDA) - Enterprise

QinetiQ

Chantilly, VA 20152

~ 31 min Onsite

  • Bachelor's degree in science, technology, engineering or mathematics
  • Minimum of 10+ years experience with satellite and ground systems
  • Technical and analytic understanding of satellite and ground system interaction
  • Experience in systems engineering
  • Ability to work in fast paced environment with excellent oral and written communication skills
  • TS Clearance with SCI Eligibility; #qinetiqclearedjob
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Systems Engineer

Fibertek

Fort Belvoir, VA 22060

~ 26 min OnsiteUrgently Hiring

  • A bachelorâ s degree in Aerospace, Electrical, Mechanical, Optical, or Systems Engineering, or a related technical STEM discipline; equivalent military experience may be considered
  • A minimum of 10 years of progressive systems engineering and Test and Evaluation (T&E;) experience supporting defense acquisition programs
  • Demonstrated experience supporting acquisition-level qualification, verification, and T&E; activities across the full acquisition life cycle
  • Working knowledge of U.S. Army T&E; processes, including coordination with ATEC, RTC, and other government test stakeholders
  • Demonstrated ability to lead complex T&E; efforts in support of Government program objectives with limited day-to-day direction
  • Experience developing, reviewing, or assessing test plans, procedures, readiness documentation, and test reports for complex defense systems
  • Experience supporting the development, integration, qualification, or test and evaluation of EO/IR systems, seekers, sensors, or other complex electro-optical payloads
  • Strong technical briefing, analytical, and technical writing skills
  • Ability to effectively communicate technical results, risks, and recommendations to government and contractor stakeholders
  • U.S. citizenship is required
  • Active DoD Secret clearance
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Systems Integration Engineer

Lockheed Martin Corporation

Manassas, VA 20110

~ 38 min OnsiteFlexible ScheduleEducation AssistanceHealth InsurancePaid Time OffRetirement Benefit

  • Bachelor's degree in a relevant field (e.g., Computer Engineering, Computer Science, Systems Engineering, or related field) from an accredited institution with 2+ years of related experience; or comparable experience in lieu of degree.
  • 2+ years of integration and test experience.
  • Proficiency in Linux, network switches, and hardware components.
  • Ability to troubleshoot system issues including software and hardware.
  • Experience creating and executing test procedures.
  • Understanding of testing equipment such as SIM/STIM.
  • Ability to obtain and maintain a Secret security clearance; this position will require a government security clearance.
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