2,392 Results for

Network Security Jobs in Westlake, MD

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Information Systems Security Engineer 1 Itezz

Annapolis Junction, Maryland

$100,000–$300,000 / year

Seven (7) years experience as an ISSE on programs and contracts of similar scope, type, and complexity to include recent experience within the last five (5) years with Cybersecurity principles and technology, including access/control, authorization, identification and authentication, PKI, network and enterprise security architecture is required. Support security authorization activities in compliance with NSA/CSS Information System Certification and Accreditation Process (NISCAP) and DoD Risk Management Framework (RMF), the NIST Risk Management Framework (RMF) process, and prescribed NSA/CSS business processes for security engineering.

30+ days ago

Information Systems Security Engineer 3 Itezz

Annapolis Junction, Maryland

Twenty (20) years experience as an ISSE on programs and contracts of similar scope, type, and complexity to include recent experience within the last five (5) years with Cybersecurity principles and technology, including access/control, authorization, identification and authentication, PKI, network and enterprise security architecture is required. Support security authorization activities in compliance with NSA/CSS Information System Certification and Accreditation Process (NISCAP) and DoD Risk Management Framework (RMF), the NIST Risk Management Framework (RMF) process, and prescribed NSA/CSS business processes for security engineering.

30+ days ago

Offensive Security Engineer Science Applications International Corp

Chantilly, VA

$160,001–$200,000 / year

SAIC is seeking a Communications Systems Engineer to act as Offensive Security Engineer to provide onsite systems engineering and technical advisory (SETA) services in support of an SAIC Prime Program at the National Reconnaissance Office (NRO) in Chantilly, VA. Support Contract Officer Technical Representatives (COTRs) and Developers by coordinating with other acquisition domain SMEs and program stakeholders to develop, modify, and maintain contract documentation.

13 days ago

Principal Network Architect / Subject Matter Expert (SME) Valiant Solutions, LLC

Silver Spring, Maryland

$150,000–$168,000 / year
Full time

To ensure that employee performance does not suffer in a remote work environment, all employees who telecommute are expected to have a quiet and distraction-free workspace with adequate internet, dedicate their full attention and availability to their job duties during working hours, and maintain a schedule during core business hours that align with those of their coworkers and Valiant's clients. Position Description: Valiant Solutions is seeking a Principal Network Architect / Subject Matter Expert (SME) to serve as the senior technical authority for a nationwide enterprise network operations consolidation supporting our government customer.

23 days ago

Network & Deskside Support Administrator Leidos Holdings Inc.

Washington, DC

$73,450–$132,775 / year

The candidate should be comfortable working directly with users, performing hands-on troubleshooting, configuring and supporting network infrastructure, and collaborating with more senior engineers when issues require additional expertise. Experience supporting Ubiquiti UniFi networking technologies, including UniFi switches, wireless access points, gateways, controllers, or management platforms.

8 days ago

Network Engineering/Operations Site Lead Leidos Holdings Inc

Fort Belvoir, VA

$116,350–$210,325 / year

The successful candidate will understand enterprise networking and cybersecurity well enough to ask the right questions, assess risk, remove barriers, and make sound management decisions-but will rely on the technical expertise of the engineering team for detailed design and implementation. Experience with enterprise networking technologies and environments, including Cisco routing and switching, Palo Alto firewalls, Cisco Identity Services Engine (ISE), Cisco Unified Communications Manager (CUCM), Cisco Nexus, Cisco Application Centric Infrastructure (ACI), or similar platforms.

28 days ago

Security Officer - Entry Level Securitas Security Services USA Inc

Haymarket, VA

With over 640 local branch managers and approximately 86,000 security officers, Securitas provide specialized guarding, mobile guarding, remote guarding, and corporate risk management to thousands of businesses. Why This Role Is Great for Recent Graduates & Career Starters: Whether you have just finished high school or you're looking for a fresh start in a new field, this role gives you: Weekly Pay - Get paid every week.

30+ days ago

Senior Site Reliability Engineer (Edge Security) Cvent

Tysons Corner, Virginia

Full time

AI-assisted Workflow & Process Automation : experience using or building AI-powered automations in operational contexts, such as automated incident summarization, alert enrichment, WAF log analysis, change risk assessment, or post-mortem drafting using LLM integrations (for example via MCP tools, Claude Code, Slack bots, or custom pipelines). In This Role, You Will: Own the edge security and routing layer: WAF rule management, CDK deployments, Shield Advanced policy configuration via AWS Firewall Manager (FMS), and CloudFront distribution management across multiple AWS accounts.

13 days ago

Networking Technology Consultant-CTJ-TS/SCI Microsoft Corp

Springfield, VA

$76,200–$154,400 / year

Leads virtual teams around technologies and customer/partner challenges by sharing ideas, insight, and strategic, technical input with technical teams, internal communities across the field, and the larger virtual team across Microsoft using knowledge of Microsoft architectures and their context in the competitive landscape. Builds and documents a realistically costed, advanced/complex Solution Approach with traceability of requirements, constraints, decisions, and tradeoffs that balances risk, technical credibility, and technical innovation to meet customer need, predominantly based on existing solution offerings and/or reference architecture.

30+ days ago

Information Security Engineering Manager EagleBank

Silver Spring, Maryland

$141,076–$241,844 / year
Full time

One or more of the following certifications (or equivalent): CCNA EC-Council Certified Security Analyst (ECSA) SC-100 Microsoft Cybersecurity Architect ISC2 System Security Certified Practitioner (SSCP) ISACA certifications (CRISC) GSE GIAC Security Expert GIAC Certifications such as GPPA, GCHI, GPEN GSAE (GIAC Security Audit Essentials) GWAPT (GIAC Certified Web Application Penetration Tester). This role will be focused on security engineering of the EagleBank applications and network which includes creation and timely execution of project plans, tool installations, assisting with upgrades of EagleBank's technology environments and ensuring that appropriate external feeds and threat intelligence are integrated into the operational tools.

30+ days ago

Information Systems Security Manager (ISSM) TekSynap

Fort Belvoir, Virginia

$130,000–$150,000 / year
Full time

Develop and implement security programs, policies, and procedures to ensure the security, reliability, and accessibility of information systems, networks, and data in accordance with the System Security Plan (SSP); provide input to RMF process activities and associated documentation. Collaborate with stakeholders to develop security plans and policies that defend against unauthorized access to systems, networks, and data; advise leadership on cybersecurity status and educate stakeholders on cybersecurity practices and processes.

5 days ago

Network Architect (SME) - Hybrid ATD Technology LLC

Suitland, MD

$190,000–$250,000
Quick Apply

ATD Technology, LLC is a certified minority woman owned business that creates opportunities to match qualified individuals with client programs while meeting all parties' financial and technical goals. Support implementation, testing, migration, and stabilization, and troubleshoot complex cross-domain problems, communicating root cause, options, and corrective actions.

12 days ago

Lead Cloud Security Engineer (CISSP) Software Guidance & Assistance

Tysons, VA

$97–$103 / hour

Ensure that security risks are comprehensively and effectively managed though leading the application of established and ad hoc processes and techniques to identify, validate, and prioritize. Message frequency varies and data rates may apply, but you can reply STOP to any SMS message to opt-out of texts and may contact SGA at info@sgainc.com.

16 days ago

Information System Security Engineer Unisity

Annapolis Junction, Maryland

The strongest candidates will have experience working in these areas: Validating and verifying system security requirements and establishing system security designs for large-scale systems, major system elements, and interfacing systems that are part of a large complex network environment with geographically distributed components. Five (5) years of experience with Defense in Depth Principals/technology (including access control, authorization, identification and authentication, public key infrastructure, network and enterprise security architecture) and applying risk assessment methodology to system development.

30+ days ago

Information System Security Engineer Omega Enterprise Solutions, LLC

Annapolis Junction, MD

Full time

A Bachelor’s degree in Computer Science, Information Assurance, Information Security System Engineering, or a related discipline from an accredited college or university and a technical certification such as Security +, or An Associate’s degree in Computer Science, Information Assurance, Information Security System Engineering, or a related discipline from an accredited college or university and a technical certification such as Security + plus two (2) years of general IT experience, or Four (4) years of general IT experience, at least one (1) of which must be information systems security experience. At the highest levels the ISSE may work independently or in a contractor lead technical role, developing system security architecture and requirements, defining processes and methodologies, and resolving complex technical issues or research problems with government oversight.

30+ days ago

Information Systems Security Engineer (ISSE) BAE Systems Plc

Sterling, VA

$130,355–$221,603 / year

About BAE Systems Intelligence & Security BAE Systems, Inc. is the U.S. subsidiary of BAE Systems plc, an international defense, aerospace and security company which delivers a full range of products and services for air, land and naval forces, as well as advanced electronics, security, information technology solutions and customer support services. The ISSE will work in coordination with fellow members of the project team and external service providers in accordance with the NIST 800-171 Risk Management Framework (RMF) and USG instructions.

30+ days ago

Vice President, Security & Observability Iron Bow Technologies LLC

$190,000–$250,000 / year

The VP will directly lead a team of Business Development professionals aligned to the company''s business units and will work closely with supporting CTO and Service Delivery resources to develop solutions, capabilities, and services that address customer needs. The VP will bring deep knowledge of the security and observability markets, extensive Splunk experience, strong technical credibility, and the business acumen required to translate technology capabilities into differentiated customer outcomes and sustainable growth.

30+ days ago

Software Integration Engineer 4| TS/SCI w/ poly security clearance Power3 Solutions

Annapolis Junction, Maryland

$185,000–$195,000 / year

The Level 3 Software Integration Engineer must possess the following capabilities: Provide customer support for HPC software to enable High Performance Computers to continue to run in operations, and support the range of UNIX, LINUX, Windows Systems, desktop applications, servers, and networks required in support of the mission. Provide customer support for HPC software to enable High Performance Computers to continue to run in operations, and support the range of UNIX, LINUX, Windows Systems, desktop applications, servers, and networks required in support of the mission.

30+ days ago

Software Integration Engineer 2 | TS/SCI w/ poly security clearance Power3 Solutions

Annapolis Junction, Maryland

$130,000–$140,000 / year

The Level 2 Software Integration Engineer must possess the following capabilities: Provide customer support for HPC software to enable High Performance Computers to continue to run in operations, and support the range of UNIX, LINUX, Windows Systems, desktop applications, servers, and networks required in support of the mission. Provide customer support for HPC software to enable High Performance Computers to continue to run in operations, and support the range of UNIX, LINUX, Windows Systems, desktop applications, servers, and networks required in support of the mission.

30+ days ago

Software Integration Engineer 3| TS/SCI w/ poly security clearance Power3 Solutions

Annapolis Junction, Maryland

13 days ago

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Network Security Jobs in Westlake, MD

Information Systems Security Engineer 1 Itezz

Information Systems Security Engineer 3 Itezz

Offensive Security Engineer Science Applications International Corp

Principal Network Architect / Subject Matter Expert (SME) Valiant Solutions, LLC

Network & Deskside Support Administrator Leidos Holdings Inc.

Network Engineering/Operations Site Lead Leidos Holdings Inc

Security Officer - Entry Level Securitas Security Services USA Inc

Senior Site Reliability Engineer (Edge Security) Cvent

Networking Technology Consultant-CTJ-TS/SCI Microsoft Corp

Information Security Engineering Manager EagleBank

Information Systems Security Manager (ISSM) TekSynap

Network Architect (SME) - Hybrid ATD Technology LLC

Lead Cloud Security Engineer (CISSP) Software Guidance & Assistance

Information System Security Engineer Unisity

Information System Security Engineer Omega Enterprise Solutions, LLC

Information Systems Security Engineer (ISSE) BAE Systems Plc

Vice President, Security & Observability Iron Bow Technologies LLC

Software Integration Engineer 4| TS/SCI w/ poly security clearance Power3 Solutions

Software Integration Engineer 2 | TS/SCI w/ poly security clearance Power3 Solutions

Software Integration Engineer 3| TS/SCI w/ poly security clearance Power3 Solutions

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