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Several Cisco ASA firewalls, ISR routers, and Catalyst switches keep our network running, but they have not been touched in a while. I need a thorough tune-up that covers three areas: installing the latest stable software patches, reviewing every running-config for performance tweaks, and hardening the security posture against current threats. Partial documentation exists—mainly topology diagrams and some old configuration notes—so part of the engagement is to validate what is still accurate and fill in the gaps. Scope and expectations • Apply current Cisco software/firmware updates after confirming compatibility. • Analyse and refine interface, routing, VLAN, and policy settings to eliminate inefficiencies. • Conduct a focused security assessment (AAA, VPN, ACLs, logging, remote-management) and implement agreed hardening steps. • Produce clean, updated documentation that includes device inventories, final configs, and a concise change log. Success criteria ✔ All devices boot on the new images without errors. ✔ Benchmarked latency/throughput matches or improves on pre-maintenance values. ✔ No critical or high vulnerabilities are flagged by the post-change scan. ✔ Updated documentation is complete enough for another engineer to restore or replicate the setup. Access can be provided through scheduled remote sessions; on-site work is possible later if the first phase shows it is required. INTERESTED ONLY IN US.
ID Projek: 40346131
9 cadangan
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9 pekerja bebas membida secara purata $50 USD/jam untuk pekerjaan ini

Hello Dear, I am a Cisco expert and I have a Cisco CCNP certificate. I have great experience in various network technologies such as VLAN, STP, OSPF, EIGRP, BGP, MPLS, OpenVPN, IPsec, L2TP, PPTP, SSL, etc. Also, I have great hands-on experience in, - Cisco Routers ASR 9k&1k, ISR 4K, 2900, 2800, 878, 888, Switches Nexus 9K, Cat 6500, 3850, 2900 and ASA 5505, 5506x, 5508. - Juniper Routers (M7, M10, MX 480, MX 960) and SRX (300, 500). - Palo Alto 220, 550, 850 and 3200 and Fortigate 40F, 60F, 100E, 200E and 800E Firewalls. - Huawei routers NE-40, NE5000E and Switches Quidway S2700 and S5300. - HP Switches procurve 3500 and procurve 5900. - Mikrotik CCR1036, CCR1009, CCR1700, CCR2204 and RB2011. We can discuss it further, let me know if you are interested. Regards, Ahmed Fakkar
$50 USD dalam 40 hari
7.8
7.8

As a seasoned network and system administrator, I am confident that I can provide your project the thorough tune-up and ongoing maintenance it requires. I bring over 11 years of expertise to the table coupled with a host of relevant certifications such as CCNP, CCNA, RHCE, and Certified Ethical Hacker (CEH). One great advantage I possess is my proficiency in using simulation software like Packet Tracer and GNS3 as well as hands-on experience with real-life network and system devices. These skills will help me validate existing documentation, fill in gaps and optimize your Cisco ASA firewalls, ISR routers, and Catalyst switches. Furthermore, my experience includes not just Cisco devices but also those from WatchGuard, Palo Alto, CheckPoint Firewall, SonicWall, Fortigate, pfSense, OPNsense and Huawei. My experience extends to network monitoring too using tools such as Observium, Librenms , Cacti, Nagios core. Upon completion of the tune-up process and implementation of all necessary updates and patches, rest assured that you will receive clean updated documentation covering device inventories, final configs and a concise change log that'll enable another engineer to restore or replicate the setup should the need arise. Given my skillset and dedication to producing top-notch results, I would be an invaluable resource for your project. Let's solidify your network infrastructure together!
$50 USD dalam 40 hari
6.9
6.9

With over a decade of solid infrastructure experience under my belt, I am absolutley primed to deliver impeccable Cisco tune-up and maintenance. My expertise extends from Cloud Computing Platforms (AWS, Azure, GCP) to Server Operating Systems (Windows Server 2003-2012R2, Windows Server 2016, etc.), to Web servers and Firewalls (IIS, NGINX, MikroTik), and all the way to the mastery of Updating and Patching on various systems. This comprehensive skill set equips me perfectly to analyse and refine your Cisco ASA firewalls, ISR routers, and Catalyst switches for an optimized performance.
$50 USD dalam 4 hari
6.7
6.7

Hello there, I am a CCNA instructor and network and security expert. I have 10 year’s practical working and teaching experience in network and security administration. And I have CCNP, CCNA, RHCE, RHCSA . I have also fluency in English and Hindi speaking. I am Expert in EVE-NG, GNS3 and Packet Tracer. Technical Skills: =============== Good understanding and knowledge of TCP/IP, OSI Layer. Practical experience in configuring in CISCO 800, 1900, 2900, 2800, 2800, ISR 4300, 4100, ASR 1000 series and catalyst 2960, 9300, layer3 switches, nexus switch. #Static, RIP, RIPv2, EIGRP, OSPF, OSPFv3 and BGP #VLAN, VTP, STP, HSRP, GLBP, VRRP, SPAN, RSPAN, DHCP Snooping, Dynamic ARP Inspection, ARP ACL. #CISCO nexus 9k and CISCO ACI solution like BD, VRF, EPG, Tenant, L4-L7 graph etc. #ACL, NAT, Transparent Mode, Multiple context and Failover (Active/Active, Active/Standby) Site-to-Site VPN, Remote Access VPN and SSL VPN, Intrusion policy, AVC, Malware & File Policy etc in Cisco ASA, Next Generation Firewall and Firepower Management Center (FMC) #F5 BIG-IP Local Traffic Manager (LTM) and Application security manager(WAF). #Cisco CUCM 9.0 and 12.4, CISCO WSA and ESA, CISCO ISE. #OSPF, BGP, NAT, DHCP, L2TP, IPSEC, PPP, Firewall etc in mikrotik router. So you are requested to first discuss the project and requirements and after being satisfied please awarded me with the work. And definitely work will be delivered in time and in best quality. Thanking You Kazi
$50 USD dalam 40 hari
5.9
5.9

As a highly experienced Network and Security Specialist, specifically with Cisco hardware and software, I am no stranger to the kind of thorough tune-up and maintenance you require. My extensive background in Network Administration, Server Administration, and Security Solution design has seen me working on multi-vendor firewalls such as those from Palo Alto, Cisco ASA including Cisco ASA 5505, 5515, 5525, 5585, Firepower NGFW, Fortinet, as well as Sophos. Moreover, my expertise extends further than the core task of applying updates and performing security assessments. I am also capable of fully documenting the entire process from device inventories to final configs. With my proficiency in systems like VMware Virtualization & Microsoft Hyper-V along with my experience with Data Centres - Cisco CCNA & CCNP (Routing & Switching), CCNP Security , CCNP Data Center - I am adept at producing clean and updated documentation. Overall, choosing me will guarantee not only precise Software/Firmware upkeep and improved performance but also significantly hardened security against current threats and complete documentation that another engineer can work with. All this is paired with convenient remote availability for now or on-site support if necessary afterwards. Let's get your network running at its absolute best! You won't be disappointed!
$50 USD dalam 40 hari
6.1
6.1

Hello, I have extensive experience maintaining Cisco ASA firewalls, ISR routers, and Catalyst switches. I will perform a thorough tune-up including firmware/software updates, interface, routing, VLAN, and policy optimizations, and strengthen security with AAA, ACL, VPN, and logging best practices. I will validate existing documentation, correct inaccuracies, and produce a comprehensive change log and device inventory for future maintenance. My approach ensures all devices boot cleanly on updated images, network performance meets or exceeds current benchmarks, and post-maintenance security scans reveal no critical or high vulnerabilities. Remote sessions can be scheduled for initial work, with on-site follow-up if necessary. Thanks, Asif
$50 USD dalam 40 hari
3.8
3.8

Claremont, United States
Ahli sejak Mac 27, 2026
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