4,905 Results for

Network Security Jobs in Riverdale, MD

Jobs

Network Support Specialist GStek Inc.

Fort Meade, MD

$85,000–$90,000 / year
Full time
Quick Apply

Clearance: Selected candidates will be subject to a government security investigation and must meet eligibility requirements for access to classified information. GStek encourages veterans, disabled veterans, and disabled individuals to apply for any open position for which they feel they are qualified.

30+ days ago

Physical Security/Information Assurance (PS/IA) Specialist 1 ESC, Inc.

Joint Base Andrews, MD

$110,000–$115,000 / year
Contractor
Full time
Quick Apply

This position provides physical security (PS) and information assurance (IA) support for collateral, SCI and SAP systems in accordance with JSIG and other DoD and national guidance for facilities with internal networks and guest systems.

30+ days ago

Network Engineer (Cisco) System One

Linthicum Heights, MD

$158 / hour
Quick Apply

OR a Bachelor’s degree with ten (10) years of systems engineering experience in a Qualified Engineering Field (Aeronautics, Biomedical, Chemical, Civil, Computer, Electrical, Environmental, Mechanical, Nuclear, Software, Systems, and Engineering Management) or a related discipline (Chemistry, Computer Science, Information Systems, Mathematics, and Physics) from an accredited college or university. Job title: Network Engineer - (Cisco) Location: Linthicum Heights, Maryland Shift: Day Type: Onsite Polygraph: Required Salary Range: 217K-248K ( annualized USD) + Benefits / Paid Time Off / Bonuses Requirements.

13 days ago

Cyber Network Threat Analyst MANTECH

Springfield, VA

Detecting anomalous network activity through data analysis, evaluating intrusion detection systems, incident tickets, event and log analysis, and security change tracking. The Counterintelligence Threat Technical Analyst will leverage their strong technical background and knowledge to support the Sponsor’s mission by providing expert threat analysis and cyber defense support.

3 days ago

Adversary Network Intelligence Analyst MANTECH

Quantico, VA

In this role, you will apply specialized SIGINT and all-source network intelligence techniques to analyze, map, and evaluate foreign communications and adversary IT infrastructure, directly supporting tactical Marine Corps planners, defensive cyber teams, and strategic operations. Finished Intelligence Production: Author timely, accurate intelligence products—including technical assessments, briefings, network diagrams, and threat reports—tailored for USMC intelligence officers, tactical planners, and strategic leadership.

Today

Network Based Systems Analyst - III Base One Technology

Arlington, VA

$100,000–$140,000 / year
Contractor
Quick Apply

Provides remote and onsite advanced technical assistance, proactive hunting, rapid onsite incident response, and immediate investigation and resolution using host-based, network-based and cloud-based cybersecurity analysis capabilities. Team personnel provide front line response for digital forensics/incident response (DFIR) and proactively hunting for malicious cyber activity.

30+ days ago

NOC Support Engineer Inmarsat Government, Inc

Reston, VA

Full time

Leveraging an industry-leading scalable, multi-band network infrastructure, Inmarsat Government offers a suite of managed network services and end-to-end communication solutions to support users on land, at sea and in the air, even in the world’s most remote regions. The NOC Support Engineer is responsible for maintaining, modifying, and managing the NOC's software and monitoring infrastructure, including hardware and software applications used to monitor and manage Inmarsat Government's global MPLS and SATCOM networks.

30+ days ago

Transport Network Automation Engineer Jobot

MONTGOMRY VLG, MD

$120,000–$150,000 / year
Quick Apply

The ideal candidate combines deep enterprise networking expertise with strong network automation skills and will help improve the repeatability, reliability, security, and traceability of multi-site network deployments while reducing manual configuration and engineering effort. We are seeking an experienced Transport Network Automation Engineer to design, develop, and maintain an end-to-end network automation framework that transforms engineering designs into validated, device-specific configurations and controlled production deployments.

12 days ago

Sr. System and Network Engineer (on-site) CFS

Chantilly, VA

$120,000–$130,000 / year

This individual will serve as a key technical resource supporting Microsoft 365, Azure, networking, and security initiatives in a modern SaaS-focused environment. This is an excellent opportunity for a hands-on cloud infrastructure professional seeking autonomy, visibility, and the opportunity to help drive technology initiatives in a collaborative environment.

11 days ago

Lead Network Engineer (WAN Design and Implementation) System One

Fairfax, VA

$100–$120 / hour
Quick Apply

This role will manage a team of seven network engineers across multiple time zones, drive technical decisions, and partner closely with customer stakeholders and engineering leadership to ensure successful delivery. Lead the design and implementation of a global Wide Area Network (WAN) and serve as the senior customer-facing technical authority for the program.

12 days ago

Information System Security Officer PlanIT Group

Falls Church, VA

Quick Apply

Conducts assessments of threats and vulnerabilities, determines deviations from acceptable configurations or enterprise or local policy, assesses the level of risk, and develops and/or recommends appropriate mitigation countermeasures in operational and non-operational situations. Task description and/or any specific requirements: • Ability to manage responsibility for security assessments of a variety of applications or domains, to include cloud computing, and to manage several project/initiatives of large size, complexity, and risk.

12 days ago

Senior Network Engineer - Voice Jobot

Washington, DC

$190,000–$225,000 / year
Quick Apply

We are an enterprise IT and network engineering firm delivering Enterprise Network Engineering, Enterprise IT, Program Management, and Project Management support to large commercial corporations, government agencies, and government contractors across the Washington, DC metro area and beyond. We are seeking a Senior Network Engineer with deep Cisco CUCM and Collaboration expertise to serve as a technical leader on business-critical voice, video, and data networks supporting executive-level government agency missions.

Today

Splunk Cyber Security SME (Remote) PlanIT Group

Arlington, VA

Remote

Quick Apply

Manages knowledge objects (fields, extractions, tags, event types, lookups, workflow actions, aliases, macros, and so on) – through automations, scripting, management server functions; to include. This role demands deep expertise in Splunk system architecture, design, implementation, configuration and operational support in a hybrid on-prem Unix/Linux and cloud-based environment.

12 days ago

AWS Cloud Security Architect System One

Reston, VA

$156,300 / year
Quick Apply

Provide security architecture guidance for enterprise applications, AWS cloud environments, hybrid infrastructure, cybersecurity platforms, APIs, containers, data solutions, and AI enabled applications. Support secure AI/GenAI adoption, including LLM integrations, RAG implementations, prompt security, data protection, access controls, monitoring, logging, and human in the loop safeguards.

12 days ago

Senior Network Engineer Leidos

Accokeek, MD

$107,900–$195,050

The Senior Systems Engineer will provide technical leadership and support in the areas of IT planning, solution specification/design, implementation and target architecture development for the AFNCR Consolidated Communication Center (CCC). If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.

30+ days ago

Sr Cloud Security Engineer PlanIT Group

Falls Church, VA

Quick Apply

Experience: 8+ years in a technical Cybersecurity Engineering role, with at least 4 years focused on large-scale cloud or hybrid environments, and a portfolio of projects where AI or Machine Learning was directly applied to solve security or operational scaling problems. • API-First Automation: Deep expertise in building "glue code" that connects disparate COTS and custom applications via secure, automated APIs to streamline cross-functional business activities.

12 days ago

IT Security Specialist PlanIT Group

Reston, VA

Quick Apply

Manages and administers a wide range of security systems and tools: o Administers cloud-based security tools such as, Azure Security Center (Sentinel, Log Analytics, Azure WAF, Defender for Identity, Privileged Identity Manager); Microsoft 365 Security Suite (Defender, Advanced Threat Protection, Cloud Application Security, Protection Portal); Microsoft Security and Compliance Center; Microsoft Endpoint Manager (Intune); multi-factor authentication (MFA); web content filtering; and secure document sharing and collaboration solutions. o Operates cloud-based security tools such as, Azure Security Center (Sentinel, Log Analytics, Azure WAF, Defender for Identity, Privileged Identity Manager); Microsoft 365 Security Suite (Defender, Advanced Threat Protection, Cloud Application Security, Protection Portal); Microsoft Security and Compliance Center; Microsoft Endpoint Manager (Intune); multi-factor authentication (MFA); web content filtering; and secure document sharing and collaboration solutions.

12 days ago

Information Security/Privacy Analyst I PlanIT Group

Rockville, MD

Quick Apply

Job Description: Summary: The CIOCC Tier 1 Analyst shall be responsible for the following, but not limited to: Analyze and respond to security events and incidents from SIEM, Firewall (FW), Intrusion Detection Systems (IDS), Intrusion Prevention Systems (IPS), Endpoint Security Solutions, Network Access Control (NAC) and other client data sources. • 1-3 years of security operations center environment experience or recent college graduate with industry certifications.

12 days ago

Senior Cloud Security Specialist (AWS) System One

Washington, DC

Quick Apply

Strong understanding of security concepts and technologies related to Identity and Access Management (IAM), security engineering, network security design, security operations, security architecture, general engineering processes, cloud security, data loss protection, zero trust, DevSecOps and vulnerability management. • Proven ability to provide technical security consultation and advisory services with a proactive approach to identifying potential issues, raising questions, and engaging in open dialogue with team members and stakeholders to ensure security objectives are met.

12 days ago

System Security Test Engineer (FAA) Jobot

Columbia, MD

$120,000–$180,000 / year
Quick Apply

Experience with FAA or other safety/mission-critical systems, Linux and Windows environments, network-analysis tools such as Wireshark, vulnerability/security testing tools, requirements traceability, Jira or similar defect-management systems, and formal FAT/SAT or customer acceptance testing would be highly desirable. With deep expertise in cloud-first architectures, automation, DevSecOps, virtualization, reliability engineering, and large-scale systems integration, we help organizations modernize infrastructure, improve operational efficiency, and support mission-critical environments where performance, security, and resiliency are essential.

5 days ago

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Network Security Jobs in Riverdale, MD

Network Support Specialist GStek Inc.

Physical Security/Information Assurance (PS/IA) Specialist 1 ESC, Inc.

Network Engineer (Cisco) System One

Cyber Network Threat Analyst MANTECH

Adversary Network Intelligence Analyst MANTECH

Network Based Systems Analyst - III Base One Technology

NOC Support Engineer Inmarsat Government, Inc

Transport Network Automation Engineer Jobot

Sr. System and Network Engineer (on-site) CFS

Lead Network Engineer (WAN Design and Implementation) System One

Information System Security Officer PlanIT Group

Senior Network Engineer - Voice Jobot

Splunk Cyber Security SME (Remote) PlanIT Group

AWS Cloud Security Architect System One

Senior Network Engineer Leidos

Sr Cloud Security Engineer PlanIT Group

IT Security Specialist PlanIT Group

Information Security/Privacy Analyst I PlanIT Group

Senior Cloud Security Specialist (AWS) System One

System Security Test Engineer (FAA) Jobot

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