8,117 Results for

Network Security Jobs in Elkridge, MD

Jobs

Network Security Architect Lead - Principal Amentum

Maryland

$240,000–$310,000 / year

Lead the security engineering efforts necessary to navigate the Risk Management Framework (RMF) Assessment & Authorization (A&A) process, ensuring all designs comply with DISA Security Technical Implementation Guides (STIGs) and secure an active Authority to Operate (ATO). Proven experience navigating the Risk Management Framework (RMF) and designing network architectures that meet NIST SP 800-53 controls and DISA STIGs to secure and maintain a government Authority to Operate (ATO).

3 days ago

Cyber Network Security Architecture - Senior Manager Deloitte

Baltimore, MD

$163,400–$322,100 / year

8+ years of experience in the design and architecture of enterprise-level technical stacks, including VPNs, CDN solutions, Load Balancers, Subnetting, Next-Generation firewall design, and highly scalable security solutions like Secure Access Service Edge (SASE) technologies. Our purpose comes through in our work with clients that enables impact and value in their organizations, as well as through our own investments, commitments, and actions across areas that help drive positive outcomes for our communities.

2 days ago

Senior Security Engineer-Network Security Assessment & Post-Quantum Cryptography (PQC) - Hybrid ATD Technology LLC

Suitland, MD

$180,000–$230,000
Quick Apply

Analyze cryptographic implementations key-exchange, digital-signature, and cipher-suite selections; certificate and PKI dependencies; key management and HSM integration; and FIPS 140-2/140-3 validated modules to identify components that rely on quantum-vulnerable public-key algorithms (RSA, Diffie-Hellman, ECDH, ECDSA). Assess the impact of PQC requirements on network implementations, including larger keys and signatures affecting packet size, fragmentation, MTU, and handshake latency; hardware, ASIC, and crypto-accelerator constraints; hybrid key-establishment options; and certificate-chain and protocol interoperability.

2 days ago

Cyber Palo Alto Networks Security Engineer/ Senior Consultant, Strategy, Growth, And Transformation Deloitte

Mclean, VA

$105,400–$207,800 / year

Configuring and tuning security capabilities including Threat Prevention, intrusion prevention system/intrusion detection system (IPS/IDS), Anti-Spyware, Antivirus, WildFire, Domain Name System (DNS) Security, and Secure Sockets Layer/Transport Layer Security (SSL/TLS) decryption policies. Experience integrating Palo Alto Firewalls and Prisma with SIEM/SOAR platforms (e.g., Splunk, Microsoft Sentinel, Palo Alto XSOAR) via log streaming, API connectors, or syslog for threat detection and incident response workflows.

2 days ago

Cyber Zscaler Network Security Engineering Manager / Manager, Strategy, Growth, And Transformation Deloitte

Mclean, VA

$134,500–$265,100 / year

3+ years of experience designing, deploying, and managing Zscaler Cloud Connector, including deployment within cloud environments (AWS, Azure, and/or GCP), workload-to-internet and workload-to-workload traffic inspection, and integration with cloud-native networking constructs (e.g., VPCs, VNets, Transit Gateways). 7+ years of hands-on experience designing, deploying, and managing Zscaler Private Access (ZPA), including application segment configuration, access policies, connector deployment, and zero trust network access (ZTNA) architectures replacing legacy VPN infrastructure.

2 days ago

Cyber Zscaler Network Security Engineer / Senior Consultant, Strategy, Growth, And Transformation Deloitte

Mclean, VA

$105,400–$207,800 / year

1+ years of experience designing, deploying, and managing Zscaler Cloud Connector, including deployment within cloud environments (AWS, Azure, and/or GCP), workload-to-internet and workload-to-workload traffic inspection, and integration with cloud-native networking constructs (e.g., VPCs, VNets, Transit Gateways). 5+ years of hands-on experience designing, deploying, and managing Zscaler Private Access (ZPA), including application segment configuration, access policies, connector deployment, and zero trust network access (ZTNA) architectures replacing legacy VPN infrastructure.

2 days ago

Network Security Engineer (Firewall & Vulnerability Management) - Enterprise Firewall Engineering/Check Point, Endpoint Security Administration Peraton

Washington, D.C.

$135,000–$216,000 / year
Full time

Serving as the single dedicated technical engineering resource , the selected candidate will independently execute ten security improvement projects spanning vulnerability management, endpoint protection, patch management, firewall and network security, identity and access management, and security governance. Responsibilities extend beyond identifying vulnerabilities and recommending corrective actions to directly implement approved security configuration changes, executing technical remediation, optimizing security platforms, and delivering measurable improvements to the organization's security posture.

2 days ago

Sr. Network Engineer (Cisco & Network Security) Themis Insight

Fort Meade, MD

Provides assistance in all aspects of network management from network design through implementation, maintenance, and upgrading of existing networks; Analyzes design, specifications, and related documents; Implements communication system requirements to support the distributed functionality of a software engineering environment; Analyzes network characteristics (e.g. Implement specific network solutions to support server requirements to include load-balancing, VPN's, firewall contexts, Traffic Shapping Voice over IP (VOIP), GRE Tunneling, IP Security (IPSec) IP Encryption and Media over IP (MoIP), and network address translation (NAT) where appropriate.

13 days ago

Cisco Network Security Engineer/ Senior Consultant Deloitte

Baltimore, MD

$105,400–$207,800 / year

3+ years of experience with Cisco Identity Services Engine (ISE) 802.1X Network Access Control (NAC), guest lifecycle management, profiling policies, TrustSec segmentation, and Cisco Firepower capabilities including intrusion prevention system (IPS), malware protection, Uniform Resource Locator (URL) filtering, Domain Name System (DNS)-based security, Secure Sockets Layer/Transport Layer Security (SSL/TLS) decryption, and cloud firewall deployments in Amazon Web Services (AWS), Microsoft Azure, or Google Cloud Platform (GCP). 5+ years of experience designing, deploying, and managing Cisco Firepower Threat Defense (FTD) and Firepower Management Center (FMC) in enterprise environments, including physical appliances, virtual instances, and cloud-delivered Firewall Management Center (cdFMC).

14 days ago

Principal Network Security Engineer JCS Solutions LLC

Ft Meade, MD

Full time

Network Security Engineering and Architecture Design, engineer, and implement enterprise network security architectures spanning next-generation firewalls, intrusion detection and prevention systems, web and TLS proxies, VPN and encryption services, network access control, DNS security, and east-west security controls. This role serves as a senior technical leader responsible for advancing network security architecture through strategic engineering efforts that strengthen segmentation, access control, zero-trust initiatives, resiliency, and enterprise-wide security posture.

14 days ago

Network Security Engineer Twitter

Washington, DC

$100,000–$258,000 / year

Our teams are building the full Super Intelligence stack: from our Colossus supercomputers, to Grok models, to our suite of applications, including Grok Bot, Grok Build, Grok Imagine, Grok Voice, and X. ITAR REQUIREMENTS: To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State.

10 days ago

Network Security Engineer Booz Allen Hamilton Inc

fort meade, MD

$99,000–$225,000 / year

3+ years of experience with firewall and enterprise security design, including device hardening, intrusion detection and intrusion prevention systems, SIEM, firewalls, internet protocol security, and vulnerability assessment. This is your chance to share your experience with backbone networks, cloud technologies, and core networking while broadening your security and network engineering work.

10 days ago

Network Engineer 2| TS/SCI w/ poly Security Clearance Tulzi Technologies

Annapolis Junction, Maryland

$135,000–$145,000 / year

Cisco IOS, CatOS, NxOS, filter and access control, Ciscoworks, TACACS+, ASA, FWSM, HP Openview, Cisco routers, Cisco Switches, F5/Cisco load balancers, Infiniband, Juniper, FiberChannel (FC) SAN, and VPN (IPSEC) . Tulzi Technologies, LLC (Tulzi) prides itself on an open, and honest culture in the workplace which builds morale conducive to inspiring growth on our team, while balancing lifestyle by supporting personal and family goals with flexibility.

22 days ago

Network Engineer All Levels- -TS/SCI w/ Poly Security Clearance Required Tulzi Technologies

Laurel, Maryland

$125,000–$175,000 / year

Clearance Required: TS/SCI w/poly Title: Network Engineer 3 Location: Laurel, MD Salary Range: $125-175K Description of responsibilities: Experience with Cisco, Visio, IP Spaces, VPN knowledge and scans. Tulzi Technologies, LLC (Tulzi) prides ourselves on an open, and honest culture in the workplace which builds a morale conducive to inspiring growth on our team, while balancing lifestyle by supporting personal and family goals with flexibility.

22 days ago

Network Security Engineer (Firewall & Vulnerability Management) Peraton Inc

Washington, DC

$135,000–$216,000 / year

Serving as the single dedicated technical engineering resource, the selected candidate will independently execute ten security improvement projects spanning vulnerability management, endpoint protection, patch management, firewall and network security, identity and access management, and security governance. Responsibilities extend beyond identifying vulnerabilities and recommending corrective actions to directly implement approved security configuration changes, executing technical remediation, optimizing security platforms, and delivering measurable improvements to the organization''s security posture.

1 day ago

Network Security Engineer SpaceXSI

Washington, DC

$100,000–$258,000 / year

Our teams are building the full Super Intelligence stack: from our Colossus supercomputers, to Grok models, to our suite of applications, including Grok Bot, Grok Build, Grok Imagine, Grok Voice, and X. To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State.

1 day ago

Sr. Network Security Engineer III (6852) MetroStar Systems

Washington, DC

$207,000–$320,000 / year

Demonstrated subject matter expertise designing, implementing, and managing next-generation firewalls, VPN solutions, intrusion prevention systems, and network access control platforms. Our team is responsible for designing, operating, and hardening complex security environments, and you'll play a critical role in strengthening, scaling, and protecting these environments while enabling secure mission delivery across the organization.

20 days ago

Senior Network Security Engineer CACI

Columbia, Maryland

Pay Range : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. We’re looking for an experienced Senior Network Security Engineer who is ready to bring deep technical expertise, curiosity, and a commitment to excellence to our high‑impact programs.

30+ days ago

Network Engineer 3- -TS/SCI w/ Poly Security Clearance Required Tulzi Technologies

Laurel, Maryland

Tulzi Technologies, LLC (Tulzi) prides ourselves on an open, and honest culture in the workplace which builds a morale conducive to inspiring growth on our team, while balancing lifestyle by supporting personal and family goals with flexibility. In lieu of a Bachelor's degree, four (4) additional years of experience in Network Engineering disciplines with a high school diploma.

28 days ago

Security Operations Center (Soc) Network Engineer/Systems Integrator - Secret Clearance - Naples, Italy Deloitte

Rosslyn, VA

$113,000–$188,400 / year

This position will eventually roll into a SOC Analyst position which requires a familiarity with Network monitoring tools, Windows, and Linux operating systems (OS) mechanics including filesystem structures, disk and memory forensics, cyber aware Operational Technology or Control Systems operators, commonly used mechanisms for maintaining security persistence, privilege escalation, and lateral data movement, operating system log analysis, and triaging suspicious file artifacts for unusual behavior. Our Hybrid Cloud Infrastructure offering provides specialized engineering capabilities to design, implement, manage, and operate hybrid cloud environments, modernize networks and AI infrastructure from the core to the edge, and incubate new infrastructure and device services to help clients stay ahead with the latest technology advances.

20 days ago

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Network Security Jobs in Elkridge, MD

Network Security Architect Lead - Principal Amentum

Cyber Network Security Architecture - Senior Manager Deloitte

Senior Security Engineer-Network Security Assessment & Post-Quantum Cryptography (PQC) - Hybrid ATD Technology LLC

Cyber Palo Alto Networks Security Engineer/ Senior Consultant, Strategy, Growth, And Transformation Deloitte

Cyber Zscaler Network Security Engineering Manager / Manager, Strategy, Growth, And Transformation Deloitte

Cyber Zscaler Network Security Engineer / Senior Consultant, Strategy, Growth, And Transformation Deloitte

Network Security Engineer (Firewall & Vulnerability Management) - Enterprise Firewall Engineering/Check Point, Endpoint Security Administration Peraton

Sr. Network Engineer (Cisco & Network Security) Themis Insight

Cisco Network Security Engineer/ Senior Consultant Deloitte

Principal Network Security Engineer JCS Solutions LLC

Network Security Engineer Twitter

Network Security Engineer Booz Allen Hamilton Inc

Network Engineer 2| TS/SCI w/ poly Security Clearance Tulzi Technologies

Network Engineer All Levels- -TS/SCI w/ Poly Security Clearance Required Tulzi Technologies

Network Security Engineer (Firewall & Vulnerability Management) Peraton Inc

Network Security Engineer SpaceXSI

Sr. Network Security Engineer III (6852) MetroStar Systems

Senior Network Security Engineer CACI

Network Engineer 3- -TS/SCI w/ Poly Security Clearance Required Tulzi Technologies

Security Operations Center (Soc) Network Engineer/Systems Integrator - Secret Clearance - Naples, Italy Deloitte

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