43 it security engineer jobs at 30 companies in Adelphi, MD
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IT Security Engineer
Arlington, Virginia, United States
$116k-$195k/yr OnsiteFull Time
5+ YOEBachelor's degree or equivalent experience, 5+ years IT security experience, hands-on with network and systems security, SIEM/IDS/IPS tools, cloud security (AWS/Microsoft Azure/GCP), containerization, and strong communication skills.
Splunk, ELK Stack, Snort, Suricata, SIEM, IDS/IPS, Docker, Kubernetes, AWS, Microsoft Azure, GCP, Terraform, Ansible
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Senior IT Security Engineer
United States or Washington
$125k-$152k/yr HybridFull Time
5+ YOE5+ years in security engineering, 2+ years DevSecOps, hands-on with SIEM (Splunk), EDR, cloud security (AWS/GCP), scripting (Python/Bash), and vulnerability management.
AWS, GCP, Splunk, Python, Bash, Cisco
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Senior IT Security Engineer
Linthicum or Phoenix or Tampa or Denver or Cicero
$90k-$120k/yr OnsiteFull Time
7+ YOE7+ years IT security experience, CISSP required; expertise in networking, Windows and Linux administration, AWS/Azure, IaC (HCL/YAML/JSON), scripting (PowerShell, Python, Go, Shell), incident response, risk management, and security tooling.
firewalls, SIEM, PAM, ZTN, IdP, IAM, CSPM, DLP, Vulnerability/Exposure Management, CIEM, DevSecOps, SSDLC, AWS, Azure, HCL, YAML, JSON, PowerShell, Python, Go, Shell
2mo
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IT & Security Engineer Lead
New York City or Washington
$110k-$135k/yr OnsiteFull Time
5+ YOE5+ years IT/security experience in multi-site environments; HIPAA experience preferred; hands-on with endpoint management, identity/access, MDM, helpdesk, and vendor coordination; strong communication and organizational skills.
PioneerRx, MDM
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IT & Cyber Security Engineer
Washington or Virginia or Maryland
$126k-$157k/yr RemoteFull Time
OnTrac: Provides last-mile delivery services for e-commerce retailers.
8+ YOEBachelor's degree or equivalent, 8+ years cybersecurity/infosec/IT security experience, knowledge of compliance frameworks, penetration testing and security assessments, and experience implementing security policies and controls.
NIST, ISO 27001, HIPAA, PCI-DSS
4d
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IT Hardware Engineer
Chantilly or Colorado Springs
OnsiteFull Time
4+ YOERequires TS/SCI clearance, DOD 8140 certification at least Security+, 8–16+ years based on education, and 4+ years designing, integrating, validating, and implementing IT hardware and software solutions.
Virtual Desktop Infrastructure (VDI), ITIL, Security+, Blue/Green
4d
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IT Hardware Engineer
Chantilly or Colorado Springs
$90k-$190k/yr OnsiteFull Time
4+ YOETop Secret/SCI clearance, DOD 8140 certification with Security+, qualifying degree and 8–16+ years' experience, plus 4+ years designing, integrating, validating, and implementing IT hardware and software.
Virtual Desktop Infrastructure (VDI), Information Technology Infrastructure Library (ITIL), Microsoft?
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IT Modernization Information Systems Security Engineer
Washington, District of Columbia, United States
OnsiteFull Time
12+ YOE12+ years cybersecurity/IT/systems engineering experience, active Top Secret/SCI with SAP experience, strong cloud security and systems engineering skills, proficiency with secure software tools, and excellent communication and analytical skills.
Java, Python, Ruby, C++, Linux, OPSWAT, OWASP ZAP, BurpSuite, Fortify, Tenable, Defender, SIEM, NMAP, Azure Defender, AWS Inspector, ACAS, Nessus
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IT Modernization Information Systems Security Engineer
Washington, District of Columbia, United States
OnsiteFull Time
12+ YOE12+ years cybersecurity or systems engineering experience, TS/SCI and DoD SAP access, cloud security expertise, strong analytical and communication skills, bachelor's degree required; security certifications preferred.
NIST SP 800-53, CNSSI 1253, Java, Python, Ruby, C++, Linux, OPSWAT, OWASP ZAP, BurpSuite, Fortify, Tenable, Defender, SIEM, NMAP, Azure Defender, AWS Inspector, ACAS, Nessus
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IT Systems Engineer
Hunt Valley, Maryland, United States
$105k-$189k/yr OnsiteFull Time
8+ YOEBachelor's degree and 8+ years IT experience; advanced technical certifications; on-call rotation; strong server, security, and infrastructure skills.
Active Directory, Backup software, Storage Area Network (SAN), Citrix Metaframe, Terminal Services, Security hardening, Database management systems
5d
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Senior IT Engineer
Leesburg, Virginia, United States
OnsiteFull Time
10+ YOEOversee and maintain company IT/IS including servers, networks, ERP, backups and security; 10+ years IT/IS experience; 2-year degree in CS, IT, Computer or Electrical Engineering; knowledge of CMMC; troubleshooting and hardware/software evaluation skills.
ERP, VOIP, Windows, Linux, CMMC
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Principal IT Engineer
Arlington, Virginia, United States
$135k-$155k/yr OnsiteFull Time
3+ YOE3+ years corporate IT experience owning infrastructure, endpoints, networking, identity/access management, and security controls; bachelor's or equivalent; strong documentation, project management, and incident response skills.
Google Workspace, Microsoft 365, Okta, JumpCloud, Jamf, Intune, Jira, Confluence, CrowdStrike, SentinelOne
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IT Infrastructure Engineer
Washington, District of Columbia, United States
OnsiteFull Time
9+ YOEBachelor's in IT/CS, minimum 9 years infrastructure engineering experience, experience with networking/storage/security/data center operations, TS/SCI clearance (able to obtain CI Poly), strong analytical and communication skills.
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LEAD IT SYSTEMS ENGINEER - PUB SEC
Herndon or Maryland or Virginia or Washington
$145k-$194k/yr HybridFull Time
6+ YOETS/SCI clearance required. Expertise in L2/L3 protocols (BGP, IS-IS, OSPF, MPLS), IPv4/IPv6, security protocols, testing and documentation; CCNA or JNCIA required; CCNP/JNCIP preferred; bachelor's degree plus 6+ years enterprise network design (or 12 years experience).
BGP, MP-BGP, IS-IS, MPLS, RSVP, LDP, OSPF, Multicast, IPv4, IPv6, MBFD, 802.1Q, VRRP, HSRP, TACACS+, RADIUS, FTP, SFTP, TFTP, SSH, NTP, SNMP, 802.1x, IPSEC, MACSEC, SSL/TLS, COMSEC, Ethernet test sets, packet captures, protocol analyzers, MS Office, MS Visio
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IT Network Security Team Lead
Bethesda, Maryland, United States
$149k-$196k/yr HybridFull Time
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
10+ YOE10+ years IT/network security experience, Bachelors (or equivalent), CISSP (or obtain within 6 months), ability to obtain Secret clearance (ANACI), experience with Cisco/Fortinet/Juniper/Palo Alto, Nmap/Wireshark/tcpdump, and leadership of 3-5 engineers.
Cisco, Fortigate (Fortinet), Juniper, Palo Alto, Nmap, Wireshark, tcpdump, SIEM, SSL VPN, VLANs
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IT Hardware Engineer
Washington, District of Columbia, United States
$135k-$145k/yr OnsiteFull Time
5+ YOEActive TS/SCI clearance,5+ years designing/deploying enterprise IT hardware,BS or equivalent experience,CompTIA Security+ CE,ability to support after-hours/on-call,knowledge of IT asset lifecycle,ITSM,and cybersecurity standards.
1mo
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IT Network Security Team Lead
Bethesda, Maryland, United States
$149k-$196k/yr HybridFull Time
10+ YOE10+ years related experience; lead a team of network security engineers; expert with Cisco/Juniper/Palo Alto/Fortigate, Nmap, Wireshark, tcpdump; CISSP (or obtain in 6 months); ability to obtain Secret clearance and NACLC (T3).
Cisco, Fortigate, Juniper, Palo Alto, Nmap, Wireshark, tcpdump, SIEM, SSL VPN
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IT Systems Engineer, Client Platform Engineer
Boston or New York City or Washington or United States
$325k-$360k/yr HybridFull Time
8+ YOEBachelor's or equivalent, 8+ years building secure IT systems, experience managing large MDM fleets, macOS/Windows internals, Python/shell/PowerShell, GitOps/CI/CD, public cloud and device telemetry experience.
Python, Shell scripting, PowerShell, Swift, Go, MDM, Jamf, Intune, Workspace ONE, GitOps, CI/CD, Claude, macOS, Windows
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AI Enablement Engineer, IT
McLean or Mountain View or New York City or Tampa
$128k-$171k/yr OnsiteFull Time
4+ YOE4+ years building integrations or automations; strong API fluency; production experience with LLMs or agents; coding in Python, Go, JavaScript/TypeScript; observability, error handling, and security best practices.
Python, Go, JavaScript, TypeScript, REST, JSON, OAuth, webhooks, MCP, RAG, large language models, vector databases
3d
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Expert Test Engineer
Washington, District of Columbia, United States
$116k-$195k/yr HybridFull Time
12+ YOEBachelor's degree in engineering, sciences, or related field; 12+ years in test and evaluation; DHS acquisition and systems engineering lifecycle experience; technical reporting and senior briefings. Public Trust and Secret clearances required.
Digital Transformation, Cybersecurity, IT, Data Analytics, Software Development, Verification and Validation, Technology Readiness Assessment, Modeling and Simulation, National Institute of Standards and Technology Artificial Intelligence Risk Management Framework
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